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Finding the Fourth Proportional to 525.92, 788.96 and 160.67

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Solution

The fourth proportional to 525.92, 788.96 and 160.67 is: 241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.92 : 788.96 = 160.67 : x
  2. Step 2: Convert to fraction form
    525.92/788.96 = 160.67/x
  3. Step 3: Cross multiply
    525.92x = 788.96 × 160.67
  4. Step 4: Simplify right side
    525.92x = 126,764.58
  5. Step 5: Solve for x
    x = 126,764.58/525.92
  6. Step 6: Final answer
    x = 241.04

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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.