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Finding the Fourth Proportional to 547.49, 821.25 and 182.27

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Solution

The fourth proportional to 547.49, 821.25 and 182.27 is: 273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.49 : 821.25 = 182.27 : x
  2. Step 2: Convert to fraction form
    547.49/821.25 = 182.27/x
  3. Step 3: Cross multiply
    547.49x = 821.25 × 182.27
  4. Step 4: Simplify right side
    547.49x = 149,685.13
  5. Step 5: Solve for x
    x = 149,685.13/547.49
  6. Step 6: Final answer
    x = 273.40

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Double scale
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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.