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Finding the Fourth Proportional to 411.24, 568.23 and 329.03

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Solution

The fourth proportional to 411.24, 568.23 and 329.03 is: 454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.24 : 568.23 = 329.03 : x
  2. Step 2: Convert to fraction form
    411.24/568.23 = 329.03/x
  3. Step 3: Cross multiply
    411.24x = 568.23 × 329.03
  4. Step 4: Simplify right side
    411.24x = 186,961.88
  5. Step 5: Solve for x
    x = 186,961.88/411.24
  6. Step 6: Final answer
    x = 454.63

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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.