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Finding the Fourth Proportional to 243.87, 365.44 and 237.83

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Solution

The fourth proportional to 243.87, 365.44 and 237.83 is: 356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.87 : 365.44 = 237.83 : x
  2. Step 2: Convert to fraction form
    243.87/365.44 = 237.83/x
  3. Step 3: Cross multiply
    243.87x = 365.44 × 237.83
  4. Step 4: Simplify right side
    243.87x = 86,910.49
  5. Step 5: Solve for x
    x = 86,910.49/243.87
  6. Step 6: Final answer
    x = 356.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.