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Finding the Fourth Proportional to 593.78, 886.62 and 531.68

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Solution

The fourth proportional to 593.78, 886.62 and 531.68 is: 793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.78 : 886.62 = 531.68 : x
  2. Step 2: Convert to fraction form
    593.78/886.62 = 531.68/x
  3. Step 3: Cross multiply
    593.78x = 886.62 × 531.68
  4. Step 4: Simplify right side
    593.78x = 471,395.46
  5. Step 5: Solve for x
    x = 471,395.46/593.78
  6. Step 6: Final answer
    x = 793.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.