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Finding the Fourth Proportional to 593.38, 817.76 and 427.30

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Solution

The fourth proportional to 593.38, 817.76 and 427.30 is: 588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.38 : 817.76 = 427.30 : x
  2. Step 2: Convert to fraction form
    593.38/817.76 = 427.30/x
  3. Step 3: Cross multiply
    593.38x = 817.76 × 427.30
  4. Step 4: Simplify right side
    593.38x = 349,426.71
  5. Step 5: Solve for x
    x = 349,426.71/593.38
  6. Step 6: Final answer
    x = 588.88

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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.