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Finding the Fourth Proportional to 244.12, 366.18 and 212.44

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Solution

The fourth proportional to 244.12, 366.18 and 212.44 is: 318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.12 : 366.18 = 212.44 : x
  2. Step 2: Convert to fraction form
    244.12/366.18 = 212.44/x
  3. Step 3: Cross multiply
    244.12x = 366.18 × 212.44
  4. Step 4: Simplify right side
    244.12x = 77,791.28
  5. Step 5: Solve for x
    x = 77,791.28/244.12
  6. Step 6: Final answer
    x = 318.66

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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.