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Finding the Fourth Proportional to 898.92, 1,348.92 and 466.38

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Solution

The fourth proportional to 898.92, 1,348.92 and 466.38 is: 699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.92 : 1,348.92 = 466.38 : x
  2. Step 2: Convert to fraction form
    898.92/1,348.92 = 466.38/x
  3. Step 3: Cross multiply
    898.92x = 1,348.92 × 466.38
  4. Step 4: Simplify right side
    898.92x = 629,109.31
  5. Step 5: Solve for x
    x = 629,109.31/898.92
  6. Step 6: Final answer
    x = 699.85

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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.