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Finding the Fourth Proportional to 350.44, 486.11 and 331.99

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Solution

The fourth proportional to 350.44, 486.11 and 331.99 is: 460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.44 : 486.11 = 331.99 : x
  2. Step 2: Convert to fraction form
    350.44/486.11 = 331.99/x
  3. Step 3: Cross multiply
    350.44x = 486.11 × 331.99
  4. Step 4: Simplify right side
    350.44x = 161,383.66
  5. Step 5: Solve for x
    x = 161,383.66/350.44
  6. Step 6: Final answer
    x = 460.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.