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Finding the Fourth Proportional to 195.28, 268.85 and 185.02

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Solution

The fourth proportional to 195.28, 268.85 and 185.02 is: 254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.28 : 268.85 = 185.02 : x
  2. Step 2: Convert to fraction form
    195.28/268.85 = 185.02/x
  3. Step 3: Cross multiply
    195.28x = 268.85 × 185.02
  4. Step 4: Simplify right side
    195.28x = 49,742.42
  5. Step 5: Solve for x
    x = 49,742.42/195.28
  6. Step 6: Final answer
    x = 254.73

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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.