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Finding the Fourth Proportional to 442.73, 610.91 and 246.29

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Solution

The fourth proportional to 442.73, 610.91 and 246.29 is: 339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.73 : 610.91 = 246.29 : x
  2. Step 2: Convert to fraction form
    442.73/610.91 = 246.29/x
  3. Step 3: Cross multiply
    442.73x = 610.91 × 246.29
  4. Step 4: Simplify right side
    442.73x = 150,457.97
  5. Step 5: Solve for x
    x = 150,457.97/442.73
  6. Step 6: Final answer
    x = 339.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.