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Finding the Fourth Proportional to 223.82, 308.92 and 150.02

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Solution

The fourth proportional to 223.82, 308.92 and 150.02 is: 207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.82 : 308.92 = 150.02 : x
  2. Step 2: Convert to fraction form
    223.82/308.92 = 150.02/x
  3. Step 3: Cross multiply
    223.82x = 308.92 × 150.02
  4. Step 4: Simplify right side
    223.82x = 46,344.18
  5. Step 5: Solve for x
    x = 46,344.18/223.82
  6. Step 6: Final answer
    x = 207.06

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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.