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Finding the Fourth Proportional to 367.32, 506.84 and 220.02

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Solution

The fourth proportional to 367.32, 506.84 and 220.02 is: 303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.32 : 506.84 = 220.02 : x
  2. Step 2: Convert to fraction form
    367.32/506.84 = 220.02/x
  3. Step 3: Cross multiply
    367.32x = 506.84 × 220.02
  4. Step 4: Simplify right side
    367.32x = 111,513.84
  5. Step 5: Solve for x
    x = 111,513.84/367.32
  6. Step 6: Final answer
    x = 303.59

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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.