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Finding the Fourth Proportional to 350.64, 528.17 and 329.04

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Solution

The fourth proportional to 350.64, 528.17 and 329.04 is: 495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.64 : 528.17 = 329.04 : x
  2. Step 2: Convert to fraction form
    350.64/528.17 = 329.04/x
  3. Step 3: Cross multiply
    350.64x = 528.17 × 329.04
  4. Step 4: Simplify right side
    350.64x = 173,787.41
  5. Step 5: Solve for x
    x = 173,787.41/350.64
  6. Step 6: Final answer
    x = 495.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.