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Finding the Fourth Proportional to 335.82, 463.20 and 241.21

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Solution

The fourth proportional to 335.82, 463.20 and 241.21 is: 332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.82 : 463.20 = 241.21 : x
  2. Step 2: Convert to fraction form
    335.82/463.20 = 241.21/x
  3. Step 3: Cross multiply
    335.82x = 463.20 × 241.21
  4. Step 4: Simplify right side
    335.82x = 111,728.47
  5. Step 5: Solve for x
    x = 111,728.47/335.82
  6. Step 6: Final answer
    x = 332.70

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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.