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Finding the Fourth Proportional to 466.80, 698.46 and 281.04

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Solution

The fourth proportional to 466.80, 698.46 and 281.04 is: 420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.80 : 698.46 = 281.04 : x
  2. Step 2: Convert to fraction form
    466.80/698.46 = 281.04/x
  3. Step 3: Cross multiply
    466.80x = 698.46 × 281.04
  4. Step 4: Simplify right side
    466.80x = 196,291.53
  5. Step 5: Solve for x
    x = 196,291.53/466.80
  6. Step 6: Final answer
    x = 420.51

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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.