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Finding the Fourth Proportional to 460.92, 634.86 and 349.32

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Solution

The fourth proportional to 460.92, 634.86 and 349.32 is: 481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.92 : 634.86 = 349.32 : x
  2. Step 2: Convert to fraction form
    460.92/634.86 = 349.32/x
  3. Step 3: Cross multiply
    460.92x = 634.86 × 349.32
  4. Step 4: Simplify right side
    460.92x = 221,769.30
  5. Step 5: Solve for x
    x = 221,769.30/460.92
  6. Step 6: Final answer
    x = 481.14

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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.