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Finding the Fourth Proportional to 496.52, 744.88 and 149.86

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Solution

The fourth proportional to 496.52, 744.88 and 149.86 is: 224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.52 : 744.88 = 149.86 : x
  2. Step 2: Convert to fraction form
    496.52/744.88 = 149.86/x
  3. Step 3: Cross multiply
    496.52x = 744.88 × 149.86
  4. Step 4: Simplify right side
    496.52x = 111,627.72
  5. Step 5: Solve for x
    x = 111,627.72/496.52
  6. Step 6: Final answer
    x = 224.82

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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.