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Finding the Fourth Proportional to 254.29, 350.26 and 195.97

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Solution

The fourth proportional to 254.29, 350.26 and 195.97 is: 269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.29 : 350.26 = 195.97 : x
  2. Step 2: Convert to fraction form
    254.29/350.26 = 195.97/x
  3. Step 3: Cross multiply
    254.29x = 350.26 × 195.97
  4. Step 4: Simplify right side
    254.29x = 68,640.45
  5. Step 5: Solve for x
    x = 68,640.45/254.29
  6. Step 6: Final answer
    x = 269.93

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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.