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Finding the Fourth Proportional to 370.05, 507.94 and 327.68

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Solution

The fourth proportional to 370.05, 507.94 and 327.68 is: 449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.05 : 507.94 = 327.68 : x
  2. Step 2: Convert to fraction form
    370.05/507.94 = 327.68/x
  3. Step 3: Cross multiply
    370.05x = 507.94 × 327.68
  4. Step 4: Simplify right side
    370.05x = 166,441.78
  5. Step 5: Solve for x
    x = 166,441.78/370.05
  6. Step 6: Final answer
    x = 449.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.