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Finding the Fourth Proportional to 797.21, 1,195.03 and 651.27

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Solution

The fourth proportional to 797.21, 1,195.03 and 651.27 is: 976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.21 : 1,195.03 = 651.27 : x
  2. Step 2: Convert to fraction form
    797.21/1,195.03 = 651.27/x
  3. Step 3: Cross multiply
    797.21x = 1,195.03 × 651.27
  4. Step 4: Simplify right side
    797.21x = 778,283.93
  5. Step 5: Solve for x
    x = 778,283.93/797.21
  6. Step 6: Final answer
    x = 976.27

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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.