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Finding the Fourth Proportional to 362.49, 500.07 and 238.15

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Solution

The fourth proportional to 362.49, 500.07 and 238.15 is: 328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.49 : 500.07 = 238.15 : x
  2. Step 2: Convert to fraction form
    362.49/500.07 = 238.15/x
  3. Step 3: Cross multiply
    362.49x = 500.07 × 238.15
  4. Step 4: Simplify right side
    362.49x = 119,091.67
  5. Step 5: Solve for x
    x = 119,091.67/362.49
  6. Step 6: Final answer
    x = 328.54

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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.