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Finding the Fourth Proportional to 352.29, 485.94 and 241.86

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Solution

The fourth proportional to 352.29, 485.94 and 241.86 is: 333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.29 : 485.94 = 241.86 : x
  2. Step 2: Convert to fraction form
    352.29/485.94 = 241.86/x
  3. Step 3: Cross multiply
    352.29x = 485.94 × 241.86
  4. Step 4: Simplify right side
    352.29x = 117,529.45
  5. Step 5: Solve for x
    x = 117,529.45/352.29
  6. Step 6: Final answer
    x = 333.62

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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.