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Finding the Fourth Proportional to 562.71, 844.23 and 331.68

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Solution

The fourth proportional to 562.71, 844.23 and 331.68 is: 497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.71 : 844.23 = 331.68 : x
  2. Step 2: Convert to fraction form
    562.71/844.23 = 331.68/x
  3. Step 3: Cross multiply
    562.71x = 844.23 × 331.68
  4. Step 4: Simplify right side
    562.71x = 280,014.21
  5. Step 5: Solve for x
    x = 280,014.21/562.71
  6. Step 6: Final answer
    x = 497.62

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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.