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Finding the Fourth Proportional to 547.89, 821.85 and 182.67

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Solution

The fourth proportional to 547.89, 821.85 and 182.67 is: 274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.89 : 821.85 = 182.67 : x
  2. Step 2: Convert to fraction form
    547.89/821.85 = 182.67/x
  3. Step 3: Cross multiply
    547.89x = 821.85 × 182.67
  4. Step 4: Simplify right side
    547.89x = 150,127.34
  5. Step 5: Solve for x
    x = 150,127.34/547.89
  6. Step 6: Final answer
    x = 274.01

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Double scale
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Similar ratio
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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.