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Finding the Fourth Proportional to 619.87, 927.92 and 532.39

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Solution

The fourth proportional to 619.87, 927.92 and 532.39 is: 796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.87 : 927.92 = 532.39 : x
  2. Step 2: Convert to fraction form
    619.87/927.92 = 532.39/x
  3. Step 3: Cross multiply
    619.87x = 927.92 × 532.39
  4. Step 4: Simplify right side
    619.87x = 494,012.67
  5. Step 5: Solve for x
    x = 494,012.67/619.87
  6. Step 6: Final answer
    x = 796.96

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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.