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Finding the Fourth Proportional to 616.02, 927.12 and 462.74

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Solution

The fourth proportional to 616.02, 927.12 and 462.74 is: 696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.02 : 927.12 = 462.74 : x
  2. Step 2: Convert to fraction form
    616.02/927.12 = 462.74/x
  3. Step 3: Cross multiply
    616.02x = 927.12 × 462.74
  4. Step 4: Simplify right side
    616.02x = 429,013.20
  5. Step 5: Solve for x
    x = 429,013.20/616.02
  6. Step 6: Final answer
    x = 696.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.