Finding the Fourth Proportional to 157.73, 236.63 and 49.53
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Solution
The fourth proportional to 157.73, 236.63 and 49.53 is: 74.31
Step by Step Solution
- Step 1: Write the proportion equation
157.73 : 236.63 = 49.53 : x - Step 2: Convert to fraction form
157.73/236.63 = 49.53/x - Step 3: Cross multiply
157.73x = 236.63 × 49.53 - Step 4: Simplify right side
157.73x = 11,720.41 - Step 5: Solve for x
x = 11,720.41/157.73 - Step 6: Final answer
x = 74.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.