Finding the Fourth Proportional to 252.07, 378.14 and 95.96
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Solution
The fourth proportional to 252.07, 378.14 and 95.96 is: 143.95
Step by Step Solution
- Step 1: Write the proportion equation
252.07 : 378.14 = 95.96 : x - Step 2: Convert to fraction form
252.07/378.14 = 95.96/x - Step 3: Cross multiply
252.07x = 378.14 × 95.96 - Step 4: Simplify right side
252.07x = 36,286.26 - Step 5: Solve for x
x = 36,286.26/252.07 - Step 6: Final answer
x = 143.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.