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Finding the Fourth Proportional to 794.91, 1,096.35 and 528.87

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Solution

The fourth proportional to 794.91, 1,096.35 and 528.87 is: 729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.91 : 1,096.35 = 528.87 : x
  2. Step 2: Convert to fraction form
    794.91/1,096.35 = 528.87/x
  3. Step 3: Cross multiply
    794.91x = 1,096.35 × 528.87
  4. Step 4: Simplify right side
    794.91x = 579,826.62
  5. Step 5: Solve for x
    x = 579,826.62/794.91
  6. Step 6: Final answer
    x = 729.42

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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.