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Finding the Fourth Proportional to 556.27, 834.49 and 190.97

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Solution

The fourth proportional to 556.27, 834.49 and 190.97 is: 286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.27 : 834.49 = 190.97 : x
  2. Step 2: Convert to fraction form
    556.27/834.49 = 190.97/x
  3. Step 3: Cross multiply
    556.27x = 834.49 × 190.97
  4. Step 4: Simplify right side
    556.27x = 159,361.75
  5. Step 5: Solve for x
    x = 159,361.75/556.27
  6. Step 6: Final answer
    x = 286.48

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Similar ratio
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1.5x scale

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.