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Finding the Fourth Proportional to 898.06, 1,344.30 and 651.10

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Solution

The fourth proportional to 898.06, 1,344.30 and 651.10 is: 974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.06 : 1,344.30 = 651.10 : x
  2. Step 2: Convert to fraction form
    898.06/1,344.30 = 651.10/x
  3. Step 3: Cross multiply
    898.06x = 1,344.30 × 651.10
  4. Step 4: Simplify right side
    898.06x = 875,273.73
  5. Step 5: Solve for x
    x = 875,273.73/898.06
  6. Step 6: Final answer
    x = 974.63

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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.