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Finding the Fourth Proportional to 367.67, 506.98 and 243.34

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Solution

The fourth proportional to 367.67, 506.98 and 243.34 is: 335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.67 : 506.98 = 243.34 : x
  2. Step 2: Convert to fraction form
    367.67/506.98 = 243.34/x
  3. Step 3: Cross multiply
    367.67x = 506.98 × 243.34
  4. Step 4: Simplify right side
    367.67x = 123,368.51
  5. Step 5: Solve for x
    x = 123,368.51/367.67
  6. Step 6: Final answer
    x = 335.54

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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.