If two amounts are proportional, they change at the same rate so that the relationship between them does not change.

In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio.

必应词典为您提供proportional的释义，美 [prəˈpɔrʃən (ə)l]，英 [prəˈpɔː (r)ʃ (ə)nəl]，adj. 相称的；成比例的；均衡的； n.

The increase of wages is proportional to the rise in prices. 工资的增长与物价的上涨是成比例的. 《简明英汉词典》

数学中用于描述变量间的比例关系，如“反比例”（inversely proportional）及“比例再保险”（proportional reinsurance）；工程学中涉及“比例控制”等术语。

The meaning of PROPORTIONAL is a number or quantity in a proportion. How to use proportional in a sentence.

If one amount is proportional to another, the two amounts increase and decrease at the same rate so there is always the same relationship between them.

PROPORTIONAL definition: having due proportion; corresponding. See examples of proportional used in a sentence.

Illustrated definition of Proportional: When quantities have the same relative size. In other words they have the same ratio. Example: A rope's...

Proportional also means that two things have the same size relationship or ratio.