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Finding the Fourth Proportional to 593.43, 817.67 and 427.11

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Solution

The fourth proportional to 593.43, 817.67 and 427.11 is: 588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.43 : 817.67 = 427.11 : x
  2. Step 2: Convert to fraction form
    593.43/817.67 = 427.11/x
  3. Step 3: Cross multiply
    593.43x = 817.67 × 427.11
  4. Step 4: Simplify right side
    593.43x = 349,232.90
  5. Step 5: Solve for x
    x = 349,232.90/593.43
  6. Step 6: Final answer
    x = 588.50

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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.