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Finding the Fourth Proportional to 271.87, 374.95 and 168.19

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Solution

The fourth proportional to 271.87, 374.95 and 168.19 is: 231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.87 : 374.95 = 168.19 : x
  2. Step 2: Convert to fraction form
    271.87/374.95 = 168.19/x
  3. Step 3: Cross multiply
    271.87x = 374.95 × 168.19
  4. Step 4: Simplify right side
    271.87x = 63,062.84
  5. Step 5: Solve for x
    x = 63,062.84/271.87
  6. Step 6: Final answer
    x = 231.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.