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Finding the Fourth Proportional to 244.05, 336.38 and 197.25

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Solution

The fourth proportional to 244.05, 336.38 and 197.25 is: 271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.05 : 336.38 = 197.25 : x
  2. Step 2: Convert to fraction form
    244.05/336.38 = 197.25/x
  3. Step 3: Cross multiply
    244.05x = 336.38 × 197.25
  4. Step 4: Simplify right side
    244.05x = 66,349.97
  5. Step 5: Solve for x
    x = 66,349.97/244.05
  6. Step 6: Final answer
    x = 271.87

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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.