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Finding the Fourth Proportional to 367.16, 506.36 and 279.96

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Solution

The fourth proportional to 367.16, 506.36 and 279.96 is: 386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.16 : 506.36 = 279.96 : x
  2. Step 2: Convert to fraction form
    367.16/506.36 = 279.96/x
  3. Step 3: Cross multiply
    367.16x = 506.36 × 279.96
  4. Step 4: Simplify right side
    367.16x = 141,760.55
  5. Step 5: Solve for x
    x = 141,760.55/367.16
  6. Step 6: Final answer
    x = 386.10

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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.