Finding the Fourth Proportional to 462.32, 693.58 and 173.76
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Solution
The fourth proportional to 462.32, 693.58 and 173.76 is: 260.68
Step by Step Solution
- Step 1: Write the proportion equation
462.32 : 693.58 = 173.76 : x - Step 2: Convert to fraction form
462.32/693.58 = 173.76/x - Step 3: Cross multiply
462.32x = 693.58 × 173.76 - Step 4: Simplify right side
462.32x = 120,516.46 - Step 5: Solve for x
x = 120,516.46/462.32 - Step 6: Final answer
x = 260.68
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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.