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Finding the Fourth Proportional to 301.68, 451.98 and 224.46

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Solution

The fourth proportional to 301.68, 451.98 and 224.46 is: 336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.68 : 451.98 = 224.46 : x
  2. Step 2: Convert to fraction form
    301.68/451.98 = 224.46/x
  3. Step 3: Cross multiply
    301.68x = 451.98 × 224.46
  4. Step 4: Simplify right side
    301.68x = 101,451.43
  5. Step 5: Solve for x
    x = 101,451.43/301.68
  6. Step 6: Final answer
    x = 336.29

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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.