Finding the Fourth Proportional to 247.14, 370.62 and 93.12
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Solution
The fourth proportional to 247.14, 370.62 and 93.12 is: 139.65
Step by Step Solution
- Step 1: Write the proportion equation
247.14 : 370.62 = 93.12 : x - Step 2: Convert to fraction form
247.14/370.62 = 93.12/x - Step 3: Cross multiply
247.14x = 370.62 × 93.12 - Step 4: Simplify right side
247.14x = 34,512.13 - Step 5: Solve for x
x = 34,512.13/247.14 - Step 6: Final answer
x = 139.65
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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.