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Finding the Fourth Proportional to 350.11, 480.30 and 329.17

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Solution

The fourth proportional to 350.11, 480.30 and 329.17 is: 451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.11 : 480.30 = 329.17 : x
  2. Step 2: Convert to fraction form
    350.11/480.30 = 329.17/x
  3. Step 3: Cross multiply
    350.11x = 480.30 × 329.17
  4. Step 4: Simplify right side
    350.11x = 158,101.17
  5. Step 5: Solve for x
    x = 158,101.17/350.11
  6. Step 6: Final answer
    x = 451.58

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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.