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Finding the Fourth Proportional to 323.13, 446.00 and 230.39

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Solution

The fourth proportional to 323.13, 446.00 and 230.39 is: 317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.13 : 446.00 = 230.39 : x
  2. Step 2: Convert to fraction form
    323.13/446.00 = 230.39/x
  3. Step 3: Cross multiply
    323.13x = 446.00 × 230.39
  4. Step 4: Simplify right side
    323.13x = 102,750.56
  5. Step 5: Solve for x
    x = 102,750.56/323.13
  6. Step 6: Final answer
    x = 317.99

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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.