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Finding the Fourth Proportional to 366.11, 548.96 and 322.88

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Solution

The fourth proportional to 366.11, 548.96 and 322.88 is: 484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.11 : 548.96 = 322.88 : x
  2. Step 2: Convert to fraction form
    366.11/548.96 = 322.88/x
  3. Step 3: Cross multiply
    366.11x = 548.96 × 322.88
  4. Step 4: Simplify right side
    366.11x = 177,250.38
  5. Step 5: Solve for x
    x = 177,250.38/366.11
  6. Step 6: Final answer
    x = 484.14

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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.