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Finding the Fourth Proportional to 239.04, 332.19 and 235.98

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Solution

The fourth proportional to 239.04, 332.19 and 235.98 is: 327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.04 : 332.19 = 235.98 : x
  2. Step 2: Convert to fraction form
    239.04/332.19 = 235.98/x
  3. Step 3: Cross multiply
    239.04x = 332.19 × 235.98
  4. Step 4: Simplify right side
    239.04x = 78,390.20
  5. Step 5: Solve for x
    x = 78,390.20/239.04
  6. Step 6: Final answer
    x = 327.94

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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.