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Finding the Fourth Proportional to 244.13, 336.80 and 149.56

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Solution

The fourth proportional to 244.13, 336.80 and 149.56 is: 206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.13 : 336.80 = 149.56 : x
  2. Step 2: Convert to fraction form
    244.13/336.80 = 149.56/x
  3. Step 3: Cross multiply
    244.13x = 336.80 × 149.56
  4. Step 4: Simplify right side
    244.13x = 50,370.12
  5. Step 5: Solve for x
    x = 50,370.12/244.13
  6. Step 6: Final answer
    x = 206.33

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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.