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Finding the Fourth Proportional to 244.19, 336.95 and 161.33

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Solution

The fourth proportional to 244.19, 336.95 and 161.33 is: 222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.19 : 336.95 = 161.33 : x
  2. Step 2: Convert to fraction form
    244.19/336.95 = 161.33/x
  3. Step 3: Cross multiply
    244.19x = 336.95 × 161.33
  4. Step 4: Simplify right side
    244.19x = 54,359.34
  5. Step 5: Solve for x
    x = 54,359.34/244.19
  6. Step 6: Final answer
    x = 222.61

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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.