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Finding the Fourth Proportional to 244.14, 335.97 and 211.20

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Solution

The fourth proportional to 244.14, 335.97 and 211.20 is: 290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.14 : 335.97 = 211.20 : x
  2. Step 2: Convert to fraction form
    244.14/335.97 = 211.20/x
  3. Step 3: Cross multiply
    244.14x = 335.97 × 211.20
  4. Step 4: Simplify right side
    244.14x = 70,956.86
  5. Step 5: Solve for x
    x = 70,956.86/244.14
  6. Step 6: Final answer
    x = 290.64

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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.