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Finding the Fourth Proportional to 234.69, 349.77 and 226.37

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Solution

The fourth proportional to 234.69, 349.77 and 226.37 is: 337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.69 : 349.77 = 226.37 : x
  2. Step 2: Convert to fraction form
    234.69/349.77 = 226.37/x
  3. Step 3: Cross multiply
    234.69x = 349.77 × 226.37
  4. Step 4: Simplify right side
    234.69x = 79,175.69
  5. Step 5: Solve for x
    x = 79,175.69/234.69
  6. Step 6: Final answer
    x = 337.36

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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.