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Finding the Fourth Proportional to 591.22, 886.96 and 180.39

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Solution

The fourth proportional to 591.22, 886.96 and 180.39 is: 270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.22 : 886.96 = 180.39 : x
  2. Step 2: Convert to fraction form
    591.22/886.96 = 180.39/x
  3. Step 3: Cross multiply
    591.22x = 886.96 × 180.39
  4. Step 4: Simplify right side
    591.22x = 160,001.38
  5. Step 5: Solve for x
    x = 160,001.38/591.22
  6. Step 6: Final answer
    x = 270.63

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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.