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Finding the Fourth Proportional to 593.69, 819.31 and 331.70

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Solution

The fourth proportional to 593.69, 819.31 and 331.70 is: 457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.69 : 819.31 = 331.70 : x
  2. Step 2: Convert to fraction form
    593.69/819.31 = 331.70/x
  3. Step 3: Cross multiply
    593.69x = 819.31 × 331.70
  4. Step 4: Simplify right side
    593.69x = 271,766.80
  5. Step 5: Solve for x
    x = 271,766.80/593.69
  6. Step 6: Final answer
    x = 457.76

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.