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Finding the Fourth Proportional to 300.11, 447.58 and 270.95

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Solution

The fourth proportional to 300.11, 447.58 and 270.95 is: 404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.11 : 447.58 = 270.95 : x
  2. Step 2: Convert to fraction form
    300.11/447.58 = 270.95/x
  3. Step 3: Cross multiply
    300.11x = 447.58 × 270.95
  4. Step 4: Simplify right side
    300.11x = 121,272.24
  5. Step 5: Solve for x
    x = 121,272.24/300.11
  6. Step 6: Final answer
    x = 404.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.