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Finding the Fourth Proportional to 370.11, 552.69 and 323.49

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Solution

The fourth proportional to 370.11, 552.69 and 323.49 is: 483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.11 : 552.69 = 323.49 : x
  2. Step 2: Convert to fraction form
    370.11/552.69 = 323.49/x
  3. Step 3: Cross multiply
    370.11x = 552.69 × 323.49
  4. Step 4: Simplify right side
    370.11x = 178,789.69
  5. Step 5: Solve for x
    x = 178,789.69/370.11
  6. Step 6: Final answer
    x = 483.07

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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.