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Finding the Fourth Proportional to 185.54, 255.90 and 150.56

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Solution

The fourth proportional to 185.54, 255.90 and 150.56 is: 207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.54 : 255.90 = 150.56 : x
  2. Step 2: Convert to fraction form
    185.54/255.90 = 150.56/x
  3. Step 3: Cross multiply
    185.54x = 255.90 × 150.56
  4. Step 4: Simplify right side
    185.54x = 38,528.30
  5. Step 5: Solve for x
    x = 38,528.30/185.54
  6. Step 6: Final answer
    x = 207.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.