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Finding the Fourth Proportional to 194.77, 268.91 and 174.25

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Solution

The fourth proportional to 194.77, 268.91 and 174.25 is: 240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.77 : 268.91 = 174.25 : x
  2. Step 2: Convert to fraction form
    194.77/268.91 = 174.25/x
  3. Step 3: Cross multiply
    194.77x = 268.91 × 174.25
  4. Step 4: Simplify right side
    194.77x = 46,857.57
  5. Step 5: Solve for x
    x = 46,857.57/194.77
  6. Step 6: Final answer
    x = 240.58

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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.