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Finding the Fourth Proportional to 528.99, 793.46 and 163.73

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Solution

The fourth proportional to 528.99, 793.46 and 163.73 is: 245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.99 : 793.46 = 163.73 : x
  2. Step 2: Convert to fraction form
    528.99/793.46 = 163.73/x
  3. Step 3: Cross multiply
    528.99x = 793.46 × 163.73
  4. Step 4: Simplify right side
    528.99x = 129,913.21
  5. Step 5: Solve for x
    x = 129,913.21/528.99
  6. Step 6: Final answer
    x = 245.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.