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Finding the Fourth Proportional to 239.55, 332.27 and 233.23

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Solution

The fourth proportional to 239.55, 332.27 and 233.23 is: 323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.55 : 332.27 = 233.23 : x
  2. Step 2: Convert to fraction form
    239.55/332.27 = 233.23/x
  3. Step 3: Cross multiply
    239.55x = 332.27 × 233.23
  4. Step 4: Simplify right side
    239.55x = 77,495.33
  5. Step 5: Solve for x
    x = 77,495.33/239.55
  6. Step 6: Final answer
    x = 323.50

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.