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Finding the Fourth Proportional to 240.94, 332.41 and 197.46

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Solution

The fourth proportional to 240.94, 332.41 and 197.46 is: 272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.94 : 332.41 = 197.46 : x
  2. Step 2: Convert to fraction form
    240.94/332.41 = 197.46/x
  3. Step 3: Cross multiply
    240.94x = 332.41 × 197.46
  4. Step 4: Simplify right side
    240.94x = 65,637.68
  5. Step 5: Solve for x
    x = 65,637.68/240.94
  6. Step 6: Final answer
    x = 272.42

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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.