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Finding the Fourth Proportional to 240.73, 359.33 and 223.81

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Solution

The fourth proportional to 240.73, 359.33 and 223.81 is: 334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.73 : 359.33 = 223.81 : x
  2. Step 2: Convert to fraction form
    240.73/359.33 = 223.81/x
  3. Step 3: Cross multiply
    240.73x = 359.33 × 223.81
  4. Step 4: Simplify right side
    240.73x = 80,421.65
  5. Step 5: Solve for x
    x = 80,421.65/240.73
  6. Step 6: Final answer
    x = 334.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.