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Finding the Fourth Proportional to 339.48, 506.16 and 335.88

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Solution

The fourth proportional to 339.48, 506.16 and 335.88 is: 500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.48 : 506.16 = 335.88 : x
  2. Step 2: Convert to fraction form
    339.48/506.16 = 335.88/x
  3. Step 3: Cross multiply
    339.48x = 506.16 × 335.88
  4. Step 4: Simplify right side
    339.48x = 170,009.02
  5. Step 5: Solve for x
    x = 170,009.02/339.48
  6. Step 6: Final answer
    x = 500.79

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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.