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Finding the Fourth Proportional to 547.92, 822.15 and 273.87

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Solution

The fourth proportional to 547.92, 822.15 and 273.87 is: 410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.92 : 822.15 = 273.87 : x
  2. Step 2: Convert to fraction form
    547.92/822.15 = 273.87/x
  3. Step 3: Cross multiply
    547.92x = 822.15 × 273.87
  4. Step 4: Simplify right side
    547.92x = 225,162.22
  5. Step 5: Solve for x
    x = 225,162.22/547.92
  6. Step 6: Final answer
    x = 410.94

Related Problems

Find fourth proportional to 273.96, 411.08 and 136.94
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.