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Finding the Fourth Proportional to 227.97, 339.48 and 225.54

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Solution

The fourth proportional to 227.97, 339.48 and 225.54 is: 335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.97 : 339.48 = 225.54 : x
  2. Step 2: Convert to fraction form
    227.97/339.48 = 225.54/x
  3. Step 3: Cross multiply
    227.97x = 339.48 × 225.54
  4. Step 4: Simplify right side
    227.97x = 76,566.32
  5. Step 5: Solve for x
    x = 76,566.32/227.97
  6. Step 6: Final answer
    x = 335.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.