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Finding the Fourth Proportional to 195.88, 270.41 and 149.26

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Solution

The fourth proportional to 195.88, 270.41 and 149.26 is: 206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.88 : 270.41 = 149.26 : x
  2. Step 2: Convert to fraction form
    195.88/270.41 = 149.26/x
  3. Step 3: Cross multiply
    195.88x = 270.41 × 149.26
  4. Step 4: Simplify right side
    195.88x = 40,361.40
  5. Step 5: Solve for x
    x = 40,361.40/195.88
  6. Step 6: Final answer
    x = 206.05

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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.