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Finding the Fourth Proportional to 548.35, 822.03 and 182.95

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Solution

The fourth proportional to 548.35, 822.03 and 182.95 is: 274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.35 : 822.03 = 182.95 : x
  2. Step 2: Convert to fraction form
    548.35/822.03 = 182.95/x
  3. Step 3: Cross multiply
    548.35x = 822.03 × 182.95
  4. Step 4: Simplify right side
    548.35x = 150,390.39
  5. Step 5: Solve for x
    x = 150,390.39/548.35
  6. Step 6: Final answer
    x = 274.26

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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.