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Finding the Fourth Proportional to 362.73, 501.08 and 318.41

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Solution

The fourth proportional to 362.73, 501.08 and 318.41 is: 439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.73 : 501.08 = 318.41 : x
  2. Step 2: Convert to fraction form
    362.73/501.08 = 318.41/x
  3. Step 3: Cross multiply
    362.73x = 501.08 × 318.41
  4. Step 4: Simplify right side
    362.73x = 159,544.79
  5. Step 5: Solve for x
    x = 159,544.79/362.73
  6. Step 6: Final answer
    x = 439.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.