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Finding the Fourth Proportional to 227.08, 338.37 and 225.18

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Solution

The fourth proportional to 227.08, 338.37 and 225.18 is: 335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.08 : 338.37 = 225.18 : x
  2. Step 2: Convert to fraction form
    227.08/338.37 = 225.18/x
  3. Step 3: Cross multiply
    227.08x = 338.37 × 225.18
  4. Step 4: Simplify right side
    227.08x = 76,194.16
  5. Step 5: Solve for x
    x = 76,194.16/227.08
  6. Step 6: Final answer
    x = 335.54

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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.