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Finding the Fourth Proportional to 244.79, 367.19 and 82.48

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Solution

The fourth proportional to 244.79, 367.19 and 82.48 is: 123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.79 : 367.19 = 82.48 : x
  2. Step 2: Convert to fraction form
    244.79/367.19 = 82.48/x
  3. Step 3: Cross multiply
    244.79x = 367.19 × 82.48
  4. Step 4: Simplify right side
    244.79x = 30,284.00
  5. Step 5: Solve for x
    x = 30,284.00/244.79
  6. Step 6: Final answer
    x = 123.71

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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.