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Finding the Fourth Proportional to 593.44, 819.05 and 331.40

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Solution

The fourth proportional to 593.44, 819.05 and 331.40 is: 457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.44 : 819.05 = 331.40 : x
  2. Step 2: Convert to fraction form
    593.44/819.05 = 331.40/x
  3. Step 3: Cross multiply
    593.44x = 819.05 × 331.40
  4. Step 4: Simplify right side
    593.44x = 271,433.56
  5. Step 5: Solve for x
    x = 271,433.56/593.44
  6. Step 6: Final answer
    x = 457.39

Related Problems

Find fourth proportional to 296.72, 409.52 and 165.70
Half scale
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Double scale
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Similar ratio
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1.5x scale

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.