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Finding the Fourth Proportional to 180.30, 269.97 and 119.55

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Solution

The fourth proportional to 180.30, 269.97 and 119.55 is: 179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.30 : 269.97 = 119.55 : x
  2. Step 2: Convert to fraction form
    180.30/269.97 = 119.55/x
  3. Step 3: Cross multiply
    180.30x = 269.97 × 119.55
  4. Step 4: Simplify right side
    180.30x = 32,274.91
  5. Step 5: Solve for x
    x = 32,274.91/180.30
  6. Step 6: Final answer
    x = 179.01

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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.