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Finding the Fourth Proportional to 547.93, 821.94 and 273.91

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Solution

The fourth proportional to 547.93, 821.94 and 273.91 is: 410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.93 : 821.94 = 273.91 : x
  2. Step 2: Convert to fraction form
    547.93/821.94 = 273.91/x
  3. Step 3: Cross multiply
    547.93x = 821.94 × 273.91
  4. Step 4: Simplify right side
    547.93x = 225,137.59
  5. Step 5: Solve for x
    x = 225,137.59/547.93
  6. Step 6: Final answer
    x = 410.89

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.