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Finding the Fourth Proportional to 218.36, 301.35 and 184.97

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Solution

The fourth proportional to 218.36, 301.35 and 184.97 is: 255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.36 : 301.35 = 184.97 : x
  2. Step 2: Convert to fraction form
    218.36/301.35 = 184.97/x
  3. Step 3: Cross multiply
    218.36x = 301.35 × 184.97
  4. Step 4: Simplify right side
    218.36x = 55,739.20
  5. Step 5: Solve for x
    x = 55,739.20/218.36
  6. Step 6: Final answer
    x = 255.27

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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.