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Finding the Fourth Proportional to 194.45, 268.33 and 110.41

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Solution

The fourth proportional to 194.45, 268.33 and 110.41 is: 152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.45 : 268.33 = 110.41 : x
  2. Step 2: Convert to fraction form
    194.45/268.33 = 110.41/x
  3. Step 3: Cross multiply
    194.45x = 268.33 × 110.41
  4. Step 4: Simplify right side
    194.45x = 29,626.18
  5. Step 5: Solve for x
    x = 29,626.18/194.45
  6. Step 6: Final answer
    x = 152.36

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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.