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Finding the Fourth Proportional to 233.37, 350.12 and 89.01

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Solution

The fourth proportional to 233.37, 350.12 and 89.01 is: 133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.37 : 350.12 = 89.01 : x
  2. Step 2: Convert to fraction form
    233.37/350.12 = 89.01/x
  3. Step 3: Cross multiply
    233.37x = 350.12 × 89.01
  4. Step 4: Simplify right side
    233.37x = 31,163.74
  5. Step 5: Solve for x
    x = 31,163.74/233.37
  6. Step 6: Final answer
    x = 133.54

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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.