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Finding the Fourth Proportional to 464.39, 698.03 and 292.17

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Solution

The fourth proportional to 464.39, 698.03 and 292.17 is: 439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.39 : 698.03 = 292.17 : x
  2. Step 2: Convert to fraction form
    464.39/698.03 = 292.17/x
  3. Step 3: Cross multiply
    464.39x = 698.03 × 292.17
  4. Step 4: Simplify right side
    464.39x = 203,940.20
  5. Step 5: Solve for x
    x = 203,940.20/464.39
  6. Step 6: Final answer
    x = 439.16

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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.