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Finding the Fourth Proportional to 351.79, 485.26 and 241.36

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Solution

The fourth proportional to 351.79, 485.26 and 241.36 is: 332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.79 : 485.26 = 241.36 : x
  2. Step 2: Convert to fraction form
    351.79/485.26 = 241.36/x
  3. Step 3: Cross multiply
    351.79x = 485.26 × 241.36
  4. Step 4: Simplify right side
    351.79x = 117,122.35
  5. Step 5: Solve for x
    x = 117,122.35/351.79
  6. Step 6: Final answer
    x = 332.93

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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.