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Finding the Fourth Proportional to 185.62, 277.91 and 150.71

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Solution

The fourth proportional to 185.62, 277.91 and 150.71 is: 225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.62 : 277.91 = 150.71 : x
  2. Step 2: Convert to fraction form
    185.62/277.91 = 150.71/x
  3. Step 3: Cross multiply
    185.62x = 277.91 × 150.71
  4. Step 4: Simplify right side
    185.62x = 41,882.24
  5. Step 5: Solve for x
    x = 41,882.24/185.62
  6. Step 6: Final answer
    x = 225.64

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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.