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Finding the Fourth Proportional to 525.83, 788.84 and 160.58

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Solution

The fourth proportional to 525.83, 788.84 and 160.58 is: 240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.83 : 788.84 = 160.58 : x
  2. Step 2: Convert to fraction form
    525.83/788.84 = 160.58/x
  3. Step 3: Cross multiply
    525.83x = 788.84 × 160.58
  4. Step 4: Simplify right side
    525.83x = 126,671.93
  5. Step 5: Solve for x
    x = 126,671.93/525.83
  6. Step 6: Final answer
    x = 240.90

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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.