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Finding the Fourth Proportional to 185.87, 279.09 and 151.27

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Solution

The fourth proportional to 185.87, 279.09 and 151.27 is: 227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.87 : 279.09 = 151.27 : x
  2. Step 2: Convert to fraction form
    185.87/279.09 = 151.27/x
  3. Step 3: Cross multiply
    185.87x = 279.09 × 151.27
  4. Step 4: Simplify right side
    185.87x = 42,217.25
  5. Step 5: Solve for x
    x = 42,217.25/185.87
  6. Step 6: Final answer
    x = 227.13

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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.