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Finding the Fourth Proportional to 492.52, 738.76 and 150.52

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Solution

The fourth proportional to 492.52, 738.76 and 150.52 is: 225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.52 : 738.76 = 150.52 : x
  2. Step 2: Convert to fraction form
    492.52/738.76 = 150.52/x
  3. Step 3: Cross multiply
    492.52x = 738.76 × 150.52
  4. Step 4: Simplify right side
    492.52x = 111,198.16
  5. Step 5: Solve for x
    x = 111,198.16/492.52
  6. Step 6: Final answer
    x = 225.77

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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.