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Finding the Fourth Proportional to 179.29, 267.49 and 153.31

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Solution

The fourth proportional to 179.29, 267.49 and 153.31 is: 228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.29 : 267.49 = 153.31 : x
  2. Step 2: Convert to fraction form
    179.29/267.49 = 153.31/x
  3. Step 3: Cross multiply
    179.29x = 267.49 × 153.31
  4. Step 4: Simplify right side
    179.29x = 41,008.13
  5. Step 5: Solve for x
    x = 41,008.13/179.29
  6. Step 6: Final answer
    x = 228.73

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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.