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Finding the Fourth Proportional to 593.39, 818.90 and 344.79

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Solution

The fourth proportional to 593.39, 818.90 and 344.79 is: 475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.39 : 818.90 = 344.79 : x
  2. Step 2: Convert to fraction form
    593.39/818.90 = 344.79/x
  3. Step 3: Cross multiply
    593.39x = 818.90 × 344.79
  4. Step 4: Simplify right side
    593.39x = 282,348.53
  5. Step 5: Solve for x
    x = 282,348.53/593.39
  6. Step 6: Final answer
    x = 475.82

Related Problems

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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.