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Finding the Fourth Proportional to 234.79, 350.48 and 226.13

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Solution

The fourth proportional to 234.79, 350.48 and 226.13 is: 337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.79 : 350.48 = 226.13 : x
  2. Step 2: Convert to fraction form
    234.79/350.48 = 226.13/x
  3. Step 3: Cross multiply
    234.79x = 350.48 × 226.13
  4. Step 4: Simplify right side
    234.79x = 79,255.48
  5. Step 5: Solve for x
    x = 79,255.48/234.79
  6. Step 6: Final answer
    x = 337.56

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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.