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Finding the Fourth Proportional to 323.07, 483.89 and 226.95

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Solution

The fourth proportional to 323.07, 483.89 and 226.95 is: 339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.07 : 483.89 = 226.95 : x
  2. Step 2: Convert to fraction form
    323.07/483.89 = 226.95/x
  3. Step 3: Cross multiply
    323.07x = 483.89 × 226.95
  4. Step 4: Simplify right side
    323.07x = 109,817.70
  5. Step 5: Solve for x
    x = 109,817.70/323.07
  6. Step 6: Final answer
    x = 339.92

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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.