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Finding the Fourth Proportional to 332.64, 459.09 and 185.31

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Solution

The fourth proportional to 332.64, 459.09 and 185.31 is: 255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.64 : 459.09 = 185.31 : x
  2. Step 2: Convert to fraction form
    332.64/459.09 = 185.31/x
  3. Step 3: Cross multiply
    332.64x = 459.09 × 185.31
  4. Step 4: Simplify right side
    332.64x = 85,073.97
  5. Step 5: Solve for x
    x = 85,073.97/332.64
  6. Step 6: Final answer
    x = 255.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.