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Finding the Fourth Proportional to 619.25, 927.65 and 532.58

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Solution

The fourth proportional to 619.25, 927.65 and 532.58 is: 797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.25 : 927.65 = 532.58 : x
  2. Step 2: Convert to fraction form
    619.25/927.65 = 532.58/x
  3. Step 3: Cross multiply
    619.25x = 927.65 × 532.58
  4. Step 4: Simplify right side
    619.25x = 494,044.53
  5. Step 5: Solve for x
    x = 494,044.53/619.25
  6. Step 6: Final answer
    x = 797.82

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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.