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Finding the Fourth Proportional to 216.22, 323.58 and 184.54

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Solution

The fourth proportional to 216.22, 323.58 and 184.54 is: 276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.22 : 323.58 = 184.54 : x
  2. Step 2: Convert to fraction form
    216.22/323.58 = 184.54/x
  3. Step 3: Cross multiply
    216.22x = 323.58 × 184.54
  4. Step 4: Simplify right side
    216.22x = 59,713.45
  5. Step 5: Solve for x
    x = 59,713.45/216.22
  6. Step 6: Final answer
    x = 276.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.