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Finding the Fourth Proportional to 360.54, 497.56 and 229.55

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Solution

The fourth proportional to 360.54, 497.56 and 229.55 is: 316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.54 : 497.56 = 229.55 : x
  2. Step 2: Convert to fraction form
    360.54/497.56 = 229.55/x
  3. Step 3: Cross multiply
    360.54x = 497.56 × 229.55
  4. Step 4: Simplify right side
    360.54x = 114,214.90
  5. Step 5: Solve for x
    x = 114,214.90/360.54
  6. Step 6: Final answer
    x = 316.79

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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.