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Finding the Fourth Proportional to 548.46, 818.83 and 482.33

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Solution

The fourth proportional to 548.46, 818.83 and 482.33 is: 720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.46 : 818.83 = 482.33 : x
  2. Step 2: Convert to fraction form
    548.46/818.83 = 482.33/x
  3. Step 3: Cross multiply
    548.46x = 818.83 × 482.33
  4. Step 4: Simplify right side
    548.46x = 394,946.27
  5. Step 5: Solve for x
    x = 394,946.27/548.46
  6. Step 6: Final answer
    x = 720.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.