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Finding the Fourth Proportional to 297.87, 447.01 and 112.93

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Solution

The fourth proportional to 297.87, 447.01 and 112.93 is: 169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.87 : 447.01 = 112.93 : x
  2. Step 2: Convert to fraction form
    297.87/447.01 = 112.93/x
  3. Step 3: Cross multiply
    297.87x = 447.01 × 112.93
  4. Step 4: Simplify right side
    297.87x = 50,479.44
  5. Step 5: Solve for x
    x = 50,479.44/297.87
  6. Step 6: Final answer
    x = 169.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.