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Finding the Fourth Proportional to 353.92, 484.96 and 350.56

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Solution

The fourth proportional to 353.92, 484.96 and 350.56 is: 480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.92 : 484.96 = 350.56 : x
  2. Step 2: Convert to fraction form
    353.92/484.96 = 350.56/x
  3. Step 3: Cross multiply
    353.92x = 484.96 × 350.56
  4. Step 4: Simplify right side
    353.92x = 170,007.58
  5. Step 5: Solve for x
    x = 170,007.58/353.92
  6. Step 6: Final answer
    x = 480.36

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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.