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Finding the Fourth Proportional to 326.67, 453.93 and 323.34

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Solution

The fourth proportional to 326.67, 453.93 and 323.34 is: 449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.67 : 453.93 = 323.34 : x
  2. Step 2: Convert to fraction form
    326.67/453.93 = 323.34/x
  3. Step 3: Cross multiply
    326.67x = 453.93 × 323.34
  4. Step 4: Simplify right side
    326.67x = 146,773.73
  5. Step 5: Solve for x
    x = 146,773.73/326.67
  6. Step 6: Final answer
    x = 449.30

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.