Finding the Fourth Proportional to 252.58, 378.96 and 88.02
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Solution
The fourth proportional to 252.58, 378.96 and 88.02 is: 132.06
Step by Step Solution
- Step 1: Write the proportion equation
252.58 : 378.96 = 88.02 : x - Step 2: Convert to fraction form
252.58/378.96 = 88.02/x - Step 3: Cross multiply
252.58x = 378.96 × 88.02 - Step 4: Simplify right side
252.58x = 33,356.06 - Step 5: Solve for x
x = 33,356.06/252.58 - Step 6: Final answer
x = 132.06
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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.