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Finding the Fourth Proportional to 266, 365.42 and 224.48

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Solution

The fourth proportional to 266, 365.42 and 224.48 is: 308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 365.42 = 224.48 : x
  2. Step 2: Convert to fraction form
    266/365.42 = 224.48/x
  3. Step 3: Cross multiply
    266x = 365.42 × 224.48
  4. Step 4: Simplify right side
    266x = 82,029.48
  5. Step 5: Solve for x
    x = 82,029.48/266
  6. Step 6: Final answer
    x = 308.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.