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Finding the Fourth Proportional to 244.70, 338.45 and 192.76

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Solution

The fourth proportional to 244.70, 338.45 and 192.76 is: 266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.70 : 338.45 = 192.76 : x
  2. Step 2: Convert to fraction form
    244.70/338.45 = 192.76/x
  3. Step 3: Cross multiply
    244.70x = 338.45 × 192.76
  4. Step 4: Simplify right side
    244.70x = 65,239.26
  5. Step 5: Solve for x
    x = 65,239.26/244.70
  6. Step 6: Final answer
    x = 266.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.