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Finding the Fourth Proportional to 263.88, 363.34 and 224.46

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Solution

The fourth proportional to 263.88, 363.34 and 224.46 is: 309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.88 : 363.34 = 224.46 : x
  2. Step 2: Convert to fraction form
    263.88/363.34 = 224.46/x
  3. Step 3: Cross multiply
    263.88x = 363.34 × 224.46
  4. Step 4: Simplify right side
    263.88x = 81,555.30
  5. Step 5: Solve for x
    x = 81,555.30/263.88
  6. Step 6: Final answer
    x = 309.06

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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.