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Finding the Fourth Proportional to 329.04, 456.03 and 322.89

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Solution

The fourth proportional to 329.04, 456.03 and 322.89 is: 447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.04 : 456.03 = 322.89 : x
  2. Step 2: Convert to fraction form
    329.04/456.03 = 322.89/x
  3. Step 3: Cross multiply
    329.04x = 456.03 × 322.89
  4. Step 4: Simplify right side
    329.04x = 147,247.53
  5. Step 5: Solve for x
    x = 147,247.53/329.04
  6. Step 6: Final answer
    x = 447.51

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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.