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Finding the Fourth Proportional to 308.83, 463.56 and 222.26

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Solution

The fourth proportional to 308.83, 463.56 and 222.26 is: 333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.83 : 463.56 = 222.26 : x
  2. Step 2: Convert to fraction form
    308.83/463.56 = 222.26/x
  3. Step 3: Cross multiply
    308.83x = 463.56 × 222.26
  4. Step 4: Simplify right side
    308.83x = 103,029.73
  5. Step 5: Solve for x
    x = 103,029.73/308.83
  6. Step 6: Final answer
    x = 333.61

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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.