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Finding the Fourth Proportional to 244.23, 337.02 and 209.20

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Solution

The fourth proportional to 244.23, 337.02 and 209.20 is: 288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.23 : 337.02 = 209.20 : x
  2. Step 2: Convert to fraction form
    244.23/337.02 = 209.20/x
  3. Step 3: Cross multiply
    244.23x = 337.02 × 209.20
  4. Step 4: Simplify right side
    244.23x = 70,504.58
  5. Step 5: Solve for x
    x = 70,504.58/244.23
  6. Step 6: Final answer
    x = 288.68

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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.