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Finding the Fourth Proportional to 179.56, 269.36 and 154.94

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Solution

The fourth proportional to 179.56, 269.36 and 154.94 is: 232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.56 : 269.36 = 154.94 : x
  2. Step 2: Convert to fraction form
    179.56/269.36 = 154.94/x
  3. Step 3: Cross multiply
    179.56x = 269.36 × 154.94
  4. Step 4: Simplify right side
    179.56x = 41,734.64
  5. Step 5: Solve for x
    x = 41,734.64/179.56
  6. Step 6: Final answer
    x = 232.43

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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.