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Finding the Fourth Proportional to 241.05, 332.52 and 197.31

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Solution

The fourth proportional to 241.05, 332.52 and 197.31 is: 272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.05 : 332.52 = 197.31 : x
  2. Step 2: Convert to fraction form
    241.05/332.52 = 197.31/x
  3. Step 3: Cross multiply
    241.05x = 332.52 × 197.31
  4. Step 4: Simplify right side
    241.05x = 65,609.52
  5. Step 5: Solve for x
    x = 65,609.52/241.05
  6. Step 6: Final answer
    x = 272.18

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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.