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Finding the Fourth Proportional to 300.26, 414.41 and 195.66

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Solution

The fourth proportional to 300.26, 414.41 and 195.66 is: 270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.26 : 414.41 = 195.66 : x
  2. Step 2: Convert to fraction form
    300.26/414.41 = 195.66/x
  3. Step 3: Cross multiply
    300.26x = 414.41 × 195.66
  4. Step 4: Simplify right side
    300.26x = 81,082.48
  5. Step 5: Solve for x
    x = 81,082.48/300.26
  6. Step 6: Final answer
    x = 270.05

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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.