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Finding the Fourth Proportional to 294.69, 442.11 and 112.17

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Solution

The fourth proportional to 294.69, 442.11 and 112.17 is: 168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.69 : 442.11 = 112.17 : x
  2. Step 2: Convert to fraction form
    294.69/442.11 = 112.17/x
  3. Step 3: Cross multiply
    294.69x = 442.11 × 112.17
  4. Step 4: Simplify right side
    294.69x = 49,591.48
  5. Step 5: Solve for x
    x = 49,591.48/294.69
  6. Step 6: Final answer
    x = 168.28

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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.