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Finding the Fourth Proportional to 492, 736.17 and 308.54

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Solution

The fourth proportional to 492, 736.17 and 308.54 is: 461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492 : 736.17 = 308.54 : x
  2. Step 2: Convert to fraction form
    492/736.17 = 308.54/x
  3. Step 3: Cross multiply
    492x = 736.17 × 308.54
  4. Step 4: Simplify right side
    492x = 227,134.21
  5. Step 5: Solve for x
    x = 227,134.21/492
  6. Step 6: Final answer
    x = 461.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.