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Finding the Fourth Proportional to 423.43, 636.46 and 241.18

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Solution

The fourth proportional to 423.43, 636.46 and 241.18 is: 362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.43 : 636.46 = 241.18 : x
  2. Step 2: Convert to fraction form
    423.43/636.46 = 241.18/x
  3. Step 3: Cross multiply
    423.43x = 636.46 × 241.18
  4. Step 4: Simplify right side
    423.43x = 153,499.23
  5. Step 5: Solve for x
    x = 153,499.23/423.43
  6. Step 6: Final answer
    x = 362.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.