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Finding the Fourth Proportional to 593.40, 888.26 and 387.53

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Solution

The fourth proportional to 593.40, 888.26 and 387.53 is: 580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.40 : 888.26 = 387.53 : x
  2. Step 2: Convert to fraction form
    593.40/888.26 = 387.53/x
  3. Step 3: Cross multiply
    593.40x = 888.26 × 387.53
  4. Step 4: Simplify right side
    593.40x = 344,221.02
  5. Step 5: Solve for x
    x = 344,221.02/593.40
  6. Step 6: Final answer
    x = 580.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.