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Finding the Fourth Proportional to 233, 321.35 and 150.11

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Solution

The fourth proportional to 233, 321.35 and 150.11 is: 207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233 : 321.35 = 150.11 : x
  2. Step 2: Convert to fraction form
    233/321.35 = 150.11/x
  3. Step 3: Cross multiply
    233x = 321.35 × 150.11
  4. Step 4: Simplify right side
    233x = 48,237.85
  5. Step 5: Solve for x
    x = 48,237.85/233
  6. Step 6: Final answer
    x = 207.03

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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.