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Finding the Fourth Proportional to 536.85, 809.39 and 529.94

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Solution

The fourth proportional to 536.85, 809.39 and 529.94 is: 798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.85 : 809.39 = 529.94 : x
  2. Step 2: Convert to fraction form
    536.85/809.39 = 529.94/x
  3. Step 3: Cross multiply
    536.85x = 809.39 × 529.94
  4. Step 4: Simplify right side
    536.85x = 428,921.44
  5. Step 5: Solve for x
    x = 428,921.44/536.85
  6. Step 6: Final answer
    x = 798.96

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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.