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Finding the Fourth Proportional to 551.46, 759.06 and 532.74

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Solution

The fourth proportional to 551.46, 759.06 and 532.74 is: 733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.46 : 759.06 = 532.74 : x
  2. Step 2: Convert to fraction form
    551.46/759.06 = 532.74/x
  3. Step 3: Cross multiply
    551.46x = 759.06 × 532.74
  4. Step 4: Simplify right side
    551.46x = 404,381.62
  5. Step 5: Solve for x
    x = 404,381.62/551.46
  6. Step 6: Final answer
    x = 733.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.