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Finding the Fourth Proportional to 244.99, 367.39 and 71.61

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Solution

The fourth proportional to 244.99, 367.39 and 71.61 is: 107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.99 : 367.39 = 71.61 : x
  2. Step 2: Convert to fraction form
    244.99/367.39 = 71.61/x
  3. Step 3: Cross multiply
    244.99x = 367.39 × 71.61
  4. Step 4: Simplify right side
    244.99x = 26,308.80
  5. Step 5: Solve for x
    x = 26,308.80/244.99
  6. Step 6: Final answer
    x = 107.39

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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.