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Finding the Fourth Proportional to 366.21, 548.91 and 183.56

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Solution

The fourth proportional to 366.21, 548.91 and 183.56 is: 275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.21 : 548.91 = 183.56 : x
  2. Step 2: Convert to fraction form
    366.21/548.91 = 183.56/x
  3. Step 3: Cross multiply
    366.21x = 548.91 × 183.56
  4. Step 4: Simplify right side
    366.21x = 100,755.18
  5. Step 5: Solve for x
    x = 100,755.18/366.21
  6. Step 6: Final answer
    x = 275.13

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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.