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Finding the Fourth Proportional to 593.85, 891.24 and 388.36

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Solution

The fourth proportional to 593.85, 891.24 and 388.36 is: 582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.85 : 891.24 = 388.36 : x
  2. Step 2: Convert to fraction form
    593.85/891.24 = 388.36/x
  3. Step 3: Cross multiply
    593.85x = 891.24 × 388.36
  4. Step 4: Simplify right side
    593.85x = 346,121.62
  5. Step 5: Solve for x
    x = 346,121.62/593.85
  6. Step 6: Final answer
    x = 582.85

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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.