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Finding the Fourth Proportional to 332.80, 496.39 and 310.12

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Solution

The fourth proportional to 332.80, 496.39 and 310.12 is: 462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.80 : 496.39 = 310.12 : x
  2. Step 2: Convert to fraction form
    332.80/496.39 = 310.12/x
  3. Step 3: Cross multiply
    332.80x = 496.39 × 310.12
  4. Step 4: Simplify right side
    332.80x = 153,940.47
  5. Step 5: Solve for x
    x = 153,940.47/332.80
  6. Step 6: Final answer
    x = 462.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.