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Finding the Fourth Proportional to 175.94, 263.94 and 94.87

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Solution

The fourth proportional to 175.94, 263.94 and 94.87 is: 142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.94 : 263.94 = 94.87 : x
  2. Step 2: Convert to fraction form
    175.94/263.94 = 94.87/x
  3. Step 3: Cross multiply
    175.94x = 263.94 × 94.87
  4. Step 4: Simplify right side
    175.94x = 25,039.33
  5. Step 5: Solve for x
    x = 25,039.33/175.94
  6. Step 6: Final answer
    x = 142.32

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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.