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Finding the Fourth Proportional to 593.39, 818.91 and 331.36

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Solution

The fourth proportional to 593.39, 818.91 and 331.36 is: 457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.39 : 818.91 = 331.36 : x
  2. Step 2: Convert to fraction form
    593.39/818.91 = 331.36/x
  3. Step 3: Cross multiply
    593.39x = 818.91 × 331.36
  4. Step 4: Simplify right side
    593.39x = 271,351.97
  5. Step 5: Solve for x
    x = 271,351.97/593.39
  6. Step 6: Final answer
    x = 457.29

Related Problems

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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.