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Finding the Fourth Proportional to 226.72, 340.25 and 225.03

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Solution

The fourth proportional to 226.72, 340.25 and 225.03 is: 337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.72 : 340.25 = 225.03 : x
  2. Step 2: Convert to fraction form
    226.72/340.25 = 225.03/x
  3. Step 3: Cross multiply
    226.72x = 340.25 × 225.03
  4. Step 4: Simplify right side
    226.72x = 76,566.46
  5. Step 5: Solve for x
    x = 76,566.46/226.72
  6. Step 6: Final answer
    x = 337.71

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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.