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Finding the Fourth Proportional to 179.38, 267.94 and 159.22

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Solution

The fourth proportional to 179.38, 267.94 and 159.22 is: 237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.38 : 267.94 = 159.22 : x
  2. Step 2: Convert to fraction form
    179.38/267.94 = 159.22/x
  3. Step 3: Cross multiply
    179.38x = 267.94 × 159.22
  4. Step 4: Simplify right side
    179.38x = 42,661.41
  5. Step 5: Solve for x
    x = 42,661.41/179.38
  6. Step 6: Final answer
    x = 237.83

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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.