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Finding the Fourth Proportional to 175.75, 263.21 and 94.39

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Solution

The fourth proportional to 175.75, 263.21 and 94.39 is: 141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.75 : 263.21 = 94.39 : x
  2. Step 2: Convert to fraction form
    175.75/263.21 = 94.39/x
  3. Step 3: Cross multiply
    175.75x = 263.21 × 94.39
  4. Step 4: Simplify right side
    175.75x = 24,844.39
  5. Step 5: Solve for x
    x = 24,844.39/175.75
  6. Step 6: Final answer
    x = 141.36

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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.