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Finding the Fourth Proportional to 548.11, 822.22 and 182.93

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Solution

The fourth proportional to 548.11, 822.22 and 182.93 is: 274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.11 : 822.22 = 182.93 : x
  2. Step 2: Convert to fraction form
    548.11/822.22 = 182.93/x
  3. Step 3: Cross multiply
    548.11x = 822.22 × 182.93
  4. Step 4: Simplify right side
    548.11x = 150,405.85
  5. Step 5: Solve for x
    x = 150,405.85/548.11
  6. Step 6: Final answer
    x = 274.41

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Double scale
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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.