Solving Proportion Problems
Question 1:
y is directly proportional to the cube root of x.
When x = 8, y = 12, find y when
x = 729.
54
Question 2:
y is directly proportional to the cube root of x.
When x = 27, y = 30, find y when
x = 1.
10
Question 3:
y is inversely proportional to the cube of x.
When x = 5, y = 54, find y when
x = 3.
250
Question 4:
y is inversely proportional to the square root of x.
When x = 81, y = 36, find y when
x = 144.
27