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Finding the Fourth Proportional to 244.89, 365.81 and 208.44

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Solution

The fourth proportional to 244.89, 365.81 and 208.44 is: 311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.89 : 365.81 = 208.44 : x
  2. Step 2: Convert to fraction form
    244.89/365.81 = 208.44/x
  3. Step 3: Cross multiply
    244.89x = 365.81 × 208.44
  4. Step 4: Simplify right side
    244.89x = 76,248.39
  5. Step 5: Solve for x
    x = 76,248.39/244.89
  6. Step 6: Final answer
    x = 311.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.