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Finding the Fourth Proportional to 250.11, 374.61 and 112.95

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Solution

The fourth proportional to 250.11, 374.61 and 112.95 is: 169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.11 : 374.61 = 112.95 : x
  2. Step 2: Convert to fraction form
    250.11/374.61 = 112.95/x
  3. Step 3: Cross multiply
    250.11x = 374.61 × 112.95
  4. Step 4: Simplify right side
    250.11x = 42,312.20
  5. Step 5: Solve for x
    x = 42,312.20/250.11
  6. Step 6: Final answer
    x = 169.17

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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.