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Finding the Fourth Proportional to 352.02, 485.90 and 241.86

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Solution

The fourth proportional to 352.02, 485.90 and 241.86 is: 333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.02 : 485.90 = 241.86 : x
  2. Step 2: Convert to fraction form
    352.02/485.90 = 241.86/x
  3. Step 3: Cross multiply
    352.02x = 485.90 × 241.86
  4. Step 4: Simplify right side
    352.02x = 117,519.77
  5. Step 5: Solve for x
    x = 117,519.77/352.02
  6. Step 6: Final answer
    x = 333.84

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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.