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Finding the Fourth Proportional to 332.33, 499.62 and 271.90

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Solution

The fourth proportional to 332.33, 499.62 and 271.90 is: 408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.33 : 499.62 = 271.90 : x
  2. Step 2: Convert to fraction form
    332.33/499.62 = 271.90/x
  3. Step 3: Cross multiply
    332.33x = 499.62 × 271.90
  4. Step 4: Simplify right side
    332.33x = 135,846.68
  5. Step 5: Solve for x
    x = 135,846.68/332.33
  6. Step 6: Final answer
    x = 408.77

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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.