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Finding the Fourth Proportional to 339.56, 508.44 and 252.32

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Solution

The fourth proportional to 339.56, 508.44 and 252.32 is: 377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.56 : 508.44 = 252.32 : x
  2. Step 2: Convert to fraction form
    339.56/508.44 = 252.32/x
  3. Step 3: Cross multiply
    339.56x = 508.44 × 252.32
  4. Step 4: Simplify right side
    339.56x = 128,289.58
  5. Step 5: Solve for x
    x = 128,289.58/339.56
  6. Step 6: Final answer
    x = 377.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.