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Finding the Fourth Proportional to 348.41, 481.13 and 224.36

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Solution

The fourth proportional to 348.41, 481.13 and 224.36 is: 309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.41 : 481.13 = 224.36 : x
  2. Step 2: Convert to fraction form
    348.41/481.13 = 224.36/x
  3. Step 3: Cross multiply
    348.41x = 481.13 × 224.36
  4. Step 4: Simplify right side
    348.41x = 107,946.33
  5. Step 5: Solve for x
    x = 107,946.33/348.41
  6. Step 6: Final answer
    x = 309.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.