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Finding the Fourth Proportional to 496.34, 743.90 and 351.75

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Solution

The fourth proportional to 496.34, 743.90 and 351.75 is: 527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.34 : 743.90 = 351.75 : x
  2. Step 2: Convert to fraction form
    496.34/743.90 = 351.75/x
  3. Step 3: Cross multiply
    496.34x = 743.90 × 351.75
  4. Step 4: Simplify right side
    496.34x = 261,665.07
  5. Step 5: Solve for x
    x = 261,665.07/496.34
  6. Step 6: Final answer
    x = 527.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.