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Finding the Fourth Proportional to 244.09, 336.98 and 161.39

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Solution

The fourth proportional to 244.09, 336.98 and 161.39 is: 222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.09 : 336.98 = 161.39 : x
  2. Step 2: Convert to fraction form
    244.09/336.98 = 161.39/x
  3. Step 3: Cross multiply
    244.09x = 336.98 × 161.39
  4. Step 4: Simplify right side
    244.09x = 54,384.40
  5. Step 5: Solve for x
    x = 54,384.40/244.09
  6. Step 6: Final answer
    x = 222.81

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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.