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Finding the Fourth Proportional to 241.82, 333.15 and 197.90

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Solution

The fourth proportional to 241.82, 333.15 and 197.90 is: 272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.82 : 333.15 = 197.90 : x
  2. Step 2: Convert to fraction form
    241.82/333.15 = 197.90/x
  3. Step 3: Cross multiply
    241.82x = 333.15 × 197.90
  4. Step 4: Simplify right side
    241.82x = 65,930.39
  5. Step 5: Solve for x
    x = 65,930.39/241.82
  6. Step 6: Final answer
    x = 272.64

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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.