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Finding the Fourth Proportional to 556.44, 834.65 and 186.25

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Solution

The fourth proportional to 556.44, 834.65 and 186.25 is: 279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.44 : 834.65 = 186.25 : x
  2. Step 2: Convert to fraction form
    556.44/834.65 = 186.25/x
  3. Step 3: Cross multiply
    556.44x = 834.65 × 186.25
  4. Step 4: Simplify right side
    556.44x = 155,453.56
  5. Step 5: Solve for x
    x = 155,453.56/556.44
  6. Step 6: Final answer
    x = 279.37

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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.