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Finding the Fourth Proportional to 223.94, 308.67 and 150.23

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Solution

The fourth proportional to 223.94, 308.67 and 150.23 is: 207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.94 : 308.67 = 150.23 : x
  2. Step 2: Convert to fraction form
    223.94/308.67 = 150.23/x
  3. Step 3: Cross multiply
    223.94x = 308.67 × 150.23
  4. Step 4: Simplify right side
    223.94x = 46,371.49
  5. Step 5: Solve for x
    x = 46,371.49/223.94
  6. Step 6: Final answer
    x = 207.07

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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.