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Finding the Fourth Proportional to 366.32, 548.46 and 263.81

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Solution

The fourth proportional to 366.32, 548.46 and 263.81 is: 394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.32 : 548.46 = 263.81 : x
  2. Step 2: Convert to fraction form
    366.32/548.46 = 263.81/x
  3. Step 3: Cross multiply
    366.32x = 548.46 × 263.81
  4. Step 4: Simplify right side
    366.32x = 144,687.15
  5. Step 5: Solve for x
    x = 144,687.15/366.32
  6. Step 6: Final answer
    x = 394.97

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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.