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Finding the Fourth Proportional to 299.26, 448.59 and 226.97

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Solution

The fourth proportional to 299.26, 448.59 and 226.97 is: 340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.26 : 448.59 = 226.97 : x
  2. Step 2: Convert to fraction form
    299.26/448.59 = 226.97/x
  3. Step 3: Cross multiply
    299.26x = 448.59 × 226.97
  4. Step 4: Simplify right side
    299.26x = 101,815.49
  5. Step 5: Solve for x
    x = 101,815.49/299.26
  6. Step 6: Final answer
    x = 340.22

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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.