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Finding the Fourth Proportional to 233.27, 321.63 and 150.38

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Solution

The fourth proportional to 233.27, 321.63 and 150.38 is: 207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.27 : 321.63 = 150.38 : x
  2. Step 2: Convert to fraction form
    233.27/321.63 = 150.38/x
  3. Step 3: Cross multiply
    233.27x = 321.63 × 150.38
  4. Step 4: Simplify right side
    233.27x = 48,365.11
  5. Step 5: Solve for x
    x = 48,365.11/233.27
  6. Step 6: Final answer
    x = 207.34

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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.