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Finding the Fourth Proportional to 727.33, 1,090.98 and 240.41

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Solution

The fourth proportional to 727.33, 1,090.98 and 240.41 is: 360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.33 : 1,090.98 = 240.41 : x
  2. Step 2: Convert to fraction form
    727.33/1,090.98 = 240.41/x
  3. Step 3: Cross multiply
    727.33x = 1,090.98 × 240.41
  4. Step 4: Simplify right side
    727.33x = 262,282.50
  5. Step 5: Solve for x
    x = 262,282.50/727.33
  6. Step 6: Final answer
    x = 360.61

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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.