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Finding the Fourth Proportional to 637.32, 954.66 and 514.92

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Solution

The fourth proportional to 637.32, 954.66 and 514.92 is: 771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.32 : 954.66 = 514.92 : x
  2. Step 2: Convert to fraction form
    637.32/954.66 = 514.92/x
  3. Step 3: Cross multiply
    637.32x = 954.66 × 514.92
  4. Step 4: Simplify right side
    637.32x = 491,573.53
  5. Step 5: Solve for x
    x = 491,573.53/637.32
  6. Step 6: Final answer
    x = 771.31

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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.