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Finding the Fourth Proportional to 197.04, 271.48 and 167.92

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Solution

The fourth proportional to 197.04, 271.48 and 167.92 is: 231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.04 : 271.48 = 167.92 : x
  2. Step 2: Convert to fraction form
    197.04/271.48 = 167.92/x
  3. Step 3: Cross multiply
    197.04x = 271.48 × 167.92
  4. Step 4: Simplify right side
    197.04x = 45,586.92
  5. Step 5: Solve for x
    x = 45,586.92/197.04
  6. Step 6: Final answer
    x = 231.36

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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.