Finding the Fourth Proportional to 252.18, 378 and 130.32
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Solution
The fourth proportional to 252.18, 378 and 130.32 is: 195.34
Step by Step Solution
- Step 1: Write the proportion equation
252.18 : 378 = 130.32 : x - Step 2: Convert to fraction form
252.18/378 = 130.32/x - Step 3: Cross multiply
252.18x = 378 × 130.32 - Step 4: Simplify right side
252.18x = 49,260.96 - Step 5: Solve for x
x = 49,260.96/252.18 - Step 6: Final answer
x = 195.34
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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.