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Finding the Fourth Proportional to 349.35, 481.01 and 296.79

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Solution

The fourth proportional to 349.35, 481.01 and 296.79 is: 408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.35 : 481.01 = 296.79 : x
  2. Step 2: Convert to fraction form
    349.35/481.01 = 296.79/x
  3. Step 3: Cross multiply
    349.35x = 481.01 × 296.79
  4. Step 4: Simplify right side
    349.35x = 142,757.47
  5. Step 5: Solve for x
    x = 142,757.47/349.35
  6. Step 6: Final answer
    x = 408.64

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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.