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Finding the Fourth Proportional to 180.33, 269.19 and 156.11

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Solution

The fourth proportional to 180.33, 269.19 and 156.11 is: 233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.33 : 269.19 = 156.11 : x
  2. Step 2: Convert to fraction form
    180.33/269.19 = 156.11/x
  3. Step 3: Cross multiply
    180.33x = 269.19 × 156.11
  4. Step 4: Simplify right side
    180.33x = 42,022.47
  5. Step 5: Solve for x
    x = 42,022.47/180.33
  6. Step 6: Final answer
    x = 233.04

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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.