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Finding the Fourth Proportional to 547.84, 821.52 and 273.92

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Solution

The fourth proportional to 547.84, 821.52 and 273.92 is: 410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.84 : 821.52 = 273.92 : x
  2. Step 2: Convert to fraction form
    547.84/821.52 = 273.92/x
  3. Step 3: Cross multiply
    547.84x = 821.52 × 273.92
  4. Step 4: Simplify right side
    547.84x = 225,030.76
  5. Step 5: Solve for x
    x = 225,030.76/547.84
  6. Step 6: Final answer
    x = 410.76

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.