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Finding the Fourth Proportional to 896.18, 1,351.10 and 833.54

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Solution

The fourth proportional to 896.18, 1,351.10 and 833.54 is: 1,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.18 : 1,351.10 = 833.54 : x
  2. Step 2: Convert to fraction form
    896.18/1,351.10 = 833.54/x
  3. Step 3: Cross multiply
    896.18x = 1,351.10 × 833.54
  4. Step 4: Simplify right side
    896.18x = 1,126,195.89
  5. Step 5: Solve for x
    x = 1,126,195.89/896.18
  6. Step 6: Final answer
    x = 1,256.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.