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Finding the Fourth Proportional to 366.33, 548.78 and 263.37

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Solution

The fourth proportional to 366.33, 548.78 and 263.37 is: 394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.33 : 548.78 = 263.37 : x
  2. Step 2: Convert to fraction form
    366.33/548.78 = 263.37/x
  3. Step 3: Cross multiply
    366.33x = 548.78 × 263.37
  4. Step 4: Simplify right side
    366.33x = 144,530.87
  5. Step 5: Solve for x
    x = 144,530.87/366.33
  6. Step 6: Final answer
    x = 394.54

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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.