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Finding the Fourth Proportional to 547.73, 821.10 and 273.68

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Solution

The fourth proportional to 547.73, 821.10 and 273.68 is: 410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.73 : 821.10 = 273.68 : x
  2. Step 2: Convert to fraction form
    547.73/821.10 = 273.68/x
  3. Step 3: Cross multiply
    547.73x = 821.10 × 273.68
  4. Step 4: Simplify right side
    547.73x = 224,718.65
  5. Step 5: Solve for x
    x = 224,718.65/547.73
  6. Step 6: Final answer
    x = 410.27

Related Problems

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Half scale
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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.