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Finding the Fourth Proportional to 233.53, 350.27 and 71.23

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Solution

The fourth proportional to 233.53, 350.27 and 71.23 is: 106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.53 : 350.27 = 71.23 : x
  2. Step 2: Convert to fraction form
    233.53/350.27 = 71.23/x
  3. Step 3: Cross multiply
    233.53x = 350.27 × 71.23
  4. Step 4: Simplify right side
    233.53x = 24,949.82
  5. Step 5: Solve for x
    x = 24,949.82/233.53
  6. Step 6: Final answer
    x = 106.84

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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.