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Finding the Fourth Proportional to 547.88, 821.58 and 273.77

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Solution

The fourth proportional to 547.88, 821.58 and 273.77 is: 410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.88 : 821.58 = 273.77 : x
  2. Step 2: Convert to fraction form
    547.88/821.58 = 273.77/x
  3. Step 3: Cross multiply
    547.88x = 821.58 × 273.77
  4. Step 4: Simplify right side
    547.88x = 224,923.96
  5. Step 5: Solve for x
    x = 224,923.96/547.88
  6. Step 6: Final answer
    x = 410.54

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.