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Finding the Fourth Proportional to 244.70, 338.33 and 213.95

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Solution

The fourth proportional to 244.70, 338.33 and 213.95 is: 295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.70 : 338.33 = 213.95 : x
  2. Step 2: Convert to fraction form
    244.70/338.33 = 213.95/x
  3. Step 3: Cross multiply
    244.70x = 338.33 × 213.95
  4. Step 4: Simplify right side
    244.70x = 72,384.55
  5. Step 5: Solve for x
    x = 72,384.55/244.70
  6. Step 6: Final answer
    x = 295.81

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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.