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Finding the Fourth Proportional to 325.59, 446.67 and 310.11

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Solution

The fourth proportional to 325.59, 446.67 and 310.11 is: 425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.59 : 446.67 = 310.11 : x
  2. Step 2: Convert to fraction form
    325.59/446.67 = 310.11/x
  3. Step 3: Cross multiply
    325.59x = 446.67 × 310.11
  4. Step 4: Simplify right side
    325.59x = 138,516.83
  5. Step 5: Solve for x
    x = 138,516.83/325.59
  6. Step 6: Final answer
    x = 425.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.