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Finding the Fourth Proportional to 240.04, 329.09 and 235.72

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Solution

The fourth proportional to 240.04, 329.09 and 235.72 is: 323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.04 : 329.09 = 235.72 : x
  2. Step 2: Convert to fraction form
    240.04/329.09 = 235.72/x
  3. Step 3: Cross multiply
    240.04x = 329.09 × 235.72
  4. Step 4: Simplify right side
    240.04x = 77,573.09
  5. Step 5: Solve for x
    x = 77,573.09/240.04
  6. Step 6: Final answer
    x = 323.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.