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Finding the Fourth Proportional to 262.97, 362.45 and 197.36

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Solution

The fourth proportional to 262.97, 362.45 and 197.36 is: 272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.97 : 362.45 = 197.36 : x
  2. Step 2: Convert to fraction form
    262.97/362.45 = 197.36/x
  3. Step 3: Cross multiply
    262.97x = 362.45 × 197.36
  4. Step 4: Simplify right side
    262.97x = 71,532.15
  5. Step 5: Solve for x
    x = 71,532.15/262.97
  6. Step 6: Final answer
    x = 272.02

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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.