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Finding the Fourth Proportional to 185.32, 279.27 and 178.60

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Solution

The fourth proportional to 185.32, 279.27 and 178.60 is: 269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.32 : 279.27 = 178.60 : x
  2. Step 2: Convert to fraction form
    185.32/279.27 = 178.60/x
  3. Step 3: Cross multiply
    185.32x = 279.27 × 178.60
  4. Step 4: Simplify right side
    185.32x = 49,877.62
  5. Step 5: Solve for x
    x = 49,877.62/185.32
  6. Step 6: Final answer
    x = 269.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.