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Finding the Fourth Proportional to 191.04, 262.22 and 174.65

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Solution

The fourth proportional to 191.04, 262.22 and 174.65 is: 239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.04 : 262.22 = 174.65 : x
  2. Step 2: Convert to fraction form
    191.04/262.22 = 174.65/x
  3. Step 3: Cross multiply
    191.04x = 262.22 × 174.65
  4. Step 4: Simplify right side
    191.04x = 45,794.54
  5. Step 5: Solve for x
    x = 45,794.54/191.04
  6. Step 6: Final answer
    x = 239.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.