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Finding the Fourth Proportional to 593.29, 818.88 and 394.15

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Solution

The fourth proportional to 593.29, 818.88 and 394.15 is: 544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.29 : 818.88 = 394.15 : x
  2. Step 2: Convert to fraction form
    593.29/818.88 = 394.15/x
  3. Step 3: Cross multiply
    593.29x = 818.88 × 394.15
  4. Step 4: Simplify right side
    593.29x = 322,761.55
  5. Step 5: Solve for x
    x = 322,761.55/593.29
  6. Step 6: Final answer
    x = 544.02

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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.