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Finding the Fourth Proportional to 175.65, 263.57 and 94.49

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Solution

The fourth proportional to 175.65, 263.57 and 94.49 is: 141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.65 : 263.57 = 94.49 : x
  2. Step 2: Convert to fraction form
    175.65/263.57 = 94.49/x
  3. Step 3: Cross multiply
    175.65x = 263.57 × 94.49
  4. Step 4: Simplify right side
    175.65x = 24,903.18
  5. Step 5: Solve for x
    x = 24,903.18/175.65
  6. Step 6: Final answer
    x = 141.78

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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.