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Finding the Fourth Proportional to 548.58, 822.70 and 183.27

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Solution

The fourth proportional to 548.58, 822.70 and 183.27 is: 274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.58 : 822.70 = 183.27 : x
  2. Step 2: Convert to fraction form
    548.58/822.70 = 183.27/x
  3. Step 3: Cross multiply
    548.58x = 822.70 × 183.27
  4. Step 4: Simplify right side
    548.58x = 150,776.23
  5. Step 5: Solve for x
    x = 150,776.23/548.58
  6. Step 6: Final answer
    x = 274.85

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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.