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Finding the Fourth Proportional to 1,060.82, 1,462.29 and 863.99

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Solution

The fourth proportional to 1,060.82, 1,462.29 and 863.99 is: 1,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.82 : 1,462.29 = 863.99 : x
  2. Step 2: Convert to fraction form
    1,060.82/1,462.29 = 863.99/x
  3. Step 3: Cross multiply
    1,060.82x = 1,462.29 × 863.99
  4. Step 4: Simplify right side
    1,060.82x = 1,263,403.94
  5. Step 5: Solve for x
    x = 1,263,403.94/1,060.82
  6. Step 6: Final answer
    x = 1,190.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.