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Finding the Fourth Proportional to 450.48, 676.32 and 323.04

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Solution

The fourth proportional to 450.48, 676.32 and 323.04 is: 484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.48 : 676.32 = 323.04 : x
  2. Step 2: Convert to fraction form
    450.48/676.32 = 323.04/x
  3. Step 3: Cross multiply
    450.48x = 676.32 × 323.04
  4. Step 4: Simplify right side
    450.48x = 218,478.41
  5. Step 5: Solve for x
    x = 218,478.41/450.48
  6. Step 6: Final answer
    x = 484.99

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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.