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Finding the Fourth Proportional to 894.11, 1,235.36 and 794.99

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Solution

The fourth proportional to 894.11, 1,235.36 and 794.99 is: 1,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.11 : 1,235.36 = 794.99 : x
  2. Step 2: Convert to fraction form
    894.11/1,235.36 = 794.99/x
  3. Step 3: Cross multiply
    894.11x = 1,235.36 × 794.99
  4. Step 4: Simplify right side
    894.11x = 982,098.85
  5. Step 5: Solve for x
    x = 982,098.85/894.11
  6. Step 6: Final answer
    x = 1,098.41

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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.