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Finding the Fourth Proportional to 466.09, 699.27 and 281.20

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Solution

The fourth proportional to 466.09, 699.27 and 281.20 is: 421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.09 : 699.27 = 281.20 : x
  2. Step 2: Convert to fraction form
    466.09/699.27 = 281.20/x
  3. Step 3: Cross multiply
    466.09x = 699.27 × 281.20
  4. Step 4: Simplify right side
    466.09x = 196,634.72
  5. Step 5: Solve for x
    x = 196,634.72/466.09
  6. Step 6: Final answer
    x = 421.88

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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.