An amount or quantity
A portion or serving, especially of food that one takes for oneself, or to which one helps oneself.
A quantity of something that is part of the whole amount or number.
The relation of one part to another or to the whole with respect to magnitude, quantity, or degree.
Harmonious relation of parts to each other or to the whole.
A statement of equality between two ratios.
Size.
Proper or equal share.
To form symmetrically.
To set or render in proportion.
To divide into proper shares; to apportion.