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Finding the Fourth Proportional to 366.99, 548.21 and 330.37

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Solution

The fourth proportional to 366.99, 548.21 and 330.37 is: 493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.99 : 548.21 = 330.37 : x
  2. Step 2: Convert to fraction form
    366.99/548.21 = 330.37/x
  3. Step 3: Cross multiply
    366.99x = 548.21 × 330.37
  4. Step 4: Simplify right side
    366.99x = 181,112.14
  5. Step 5: Solve for x
    x = 181,112.14/366.99
  6. Step 6: Final answer
    x = 493.51

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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.