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Finding the Fourth Proportional to 197.46, 270.68 and 193.97

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Solution

The fourth proportional to 197.46, 270.68 and 193.97 is: 265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.46 : 270.68 = 193.97 : x
  2. Step 2: Convert to fraction form
    197.46/270.68 = 193.97/x
  3. Step 3: Cross multiply
    197.46x = 270.68 × 193.97
  4. Step 4: Simplify right side
    197.46x = 52,503.07
  5. Step 5: Solve for x
    x = 52,503.07/197.46
  6. Step 6: Final answer
    x = 265.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.