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Finding the Fourth Proportional to 224.04, 334.48 and 211.56

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Solution

The fourth proportional to 224.04, 334.48 and 211.56 is: 315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.04 : 334.48 = 211.56 : x
  2. Step 2: Convert to fraction form
    224.04/334.48 = 211.56/x
  3. Step 3: Cross multiply
    224.04x = 334.48 × 211.56
  4. Step 4: Simplify right side
    224.04x = 70,762.59
  5. Step 5: Solve for x
    x = 70,762.59/224.04
  6. Step 6: Final answer
    x = 315.85

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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.