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Finding the Fourth Proportional to 329.03, 450.84 and 324.17

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Solution

The fourth proportional to 329.03, 450.84 and 324.17 is: 444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.03 : 450.84 = 324.17 : x
  2. Step 2: Convert to fraction form
    329.03/450.84 = 324.17/x
  3. Step 3: Cross multiply
    329.03x = 450.84 × 324.17
  4. Step 4: Simplify right side
    329.03x = 146,148.80
  5. Step 5: Solve for x
    x = 146,148.80/329.03
  6. Step 6: Final answer
    x = 444.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.