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Finding the Fourth Proportional to 244.24, 337 and 209.40

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Solution

The fourth proportional to 244.24, 337 and 209.40 is: 288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.24 : 337 = 209.40 : x
  2. Step 2: Convert to fraction form
    244.24/337 = 209.40/x
  3. Step 3: Cross multiply
    244.24x = 337 × 209.40
  4. Step 4: Simplify right side
    244.24x = 70,567.80
  5. Step 5: Solve for x
    x = 70,567.80/244.24
  6. Step 6: Final answer
    x = 288.93

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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.