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Finding the Fourth Proportional to 616.98, 929.35 and 562.46

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Solution

The fourth proportional to 616.98, 929.35 and 562.46 is: 847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.98 : 929.35 = 562.46 : x
  2. Step 2: Convert to fraction form
    616.98/929.35 = 562.46/x
  3. Step 3: Cross multiply
    616.98x = 929.35 × 562.46
  4. Step 4: Simplify right side
    616.98x = 522,718.26
  5. Step 5: Solve for x
    x = 522,718.26/616.98
  6. Step 6: Final answer
    x = 847.22

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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.