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Finding the Fourth Proportional to 339.52, 465.76 and 332.32

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Solution

The fourth proportional to 339.52, 465.76 and 332.32 is: 455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.52 : 465.76 = 332.32 : x
  2. Step 2: Convert to fraction form
    339.52/465.76 = 332.32/x
  3. Step 3: Cross multiply
    339.52x = 465.76 × 332.32
  4. Step 4: Simplify right side
    339.52x = 154,781.36
  5. Step 5: Solve for x
    x = 154,781.36/339.52
  6. Step 6: Final answer
    x = 455.88

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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.