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Finding the Fourth Proportional to 349.08, 480.88 and 335.76

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Solution

The fourth proportional to 349.08, 480.88 and 335.76 is: 462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.08 : 480.88 = 335.76 : x
  2. Step 2: Convert to fraction form
    349.08/480.88 = 335.76/x
  3. Step 3: Cross multiply
    349.08x = 480.88 × 335.76
  4. Step 4: Simplify right side
    349.08x = 161,460.27
  5. Step 5: Solve for x
    x = 161,460.27/349.08
  6. Step 6: Final answer
    x = 462.53

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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.