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Finding the Fourth Proportional to 179.97, 268.02 and 170.65

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Solution

The fourth proportional to 179.97, 268.02 and 170.65 is: 254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.97 : 268.02 = 170.65 : x
  2. Step 2: Convert to fraction form
    179.97/268.02 = 170.65/x
  3. Step 3: Cross multiply
    179.97x = 268.02 × 170.65
  4. Step 4: Simplify right side
    179.97x = 45,737.61
  5. Step 5: Solve for x
    x = 45,737.61/179.97
  6. Step 6: Final answer
    x = 254.14

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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.