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Finding the Fourth Proportional to 323.86, 485.95 and 237.28

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Solution

The fourth proportional to 323.86, 485.95 and 237.28 is: 356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.86 : 485.95 = 237.28 : x
  2. Step 2: Convert to fraction form
    323.86/485.95 = 237.28/x
  3. Step 3: Cross multiply
    323.86x = 485.95 × 237.28
  4. Step 4: Simplify right side
    323.86x = 115,306.22
  5. Step 5: Solve for x
    x = 115,306.22/323.86
  6. Step 6: Final answer
    x = 356.04

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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.