Solving Proportion Problems
Question 1:
y is directly proportional to the square of x.
When x = 3, y = 63, find y when
x = 5.
175
Question 2:
y is directly proportional to the cube of x.
When x = 2, y = 16, find y when
x = 7.
686
Question 3:
y is inversely proportional to the cube of x.
When x = 3, y = 2, find y when
x = 1.
54
Question 4:
y is inversely proportional to the square root of x.
When x = 1, y = 72, find y when
x = 144.
6