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Finding the Fourth Proportional to 218.10, 326.99 and 184.08

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Solution

The fourth proportional to 218.10, 326.99 and 184.08 is: 275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.10 : 326.99 = 184.08 : x
  2. Step 2: Convert to fraction form
    218.10/326.99 = 184.08/x
  3. Step 3: Cross multiply
    218.10x = 326.99 × 184.08
  4. Step 4: Simplify right side
    218.10x = 60,192.32
  5. Step 5: Solve for x
    x = 60,192.32/218.10
  6. Step 6: Final answer
    x = 275.98

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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.