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Finding the Fourth Proportional to 593.20, 887.98 and 387.33

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Solution

The fourth proportional to 593.20, 887.98 and 387.33 is: 579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.20 : 887.98 = 387.33 : x
  2. Step 2: Convert to fraction form
    593.20/887.98 = 387.33/x
  3. Step 3: Cross multiply
    593.20x = 887.98 × 387.33
  4. Step 4: Simplify right side
    593.20x = 343,937.00
  5. Step 5: Solve for x
    x = 343,937.00/593.20
  6. Step 6: Final answer
    x = 579.80

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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.