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Finding the Fourth Proportional to 224.10, 334.22 and 191.82

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Solution

The fourth proportional to 224.10, 334.22 and 191.82 is: 286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.10 : 334.22 = 191.82 : x
  2. Step 2: Convert to fraction form
    224.10/334.22 = 191.82/x
  3. Step 3: Cross multiply
    224.10x = 334.22 × 191.82
  4. Step 4: Simplify right side
    224.10x = 64,110.08
  5. Step 5: Solve for x
    x = 64,110.08/224.10
  6. Step 6: Final answer
    x = 286.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.