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Finding the Fourth Proportional to 525.55, 788.27 and 160.34

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Solution

The fourth proportional to 525.55, 788.27 and 160.34 is: 240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.55 : 788.27 = 160.34 : x
  2. Step 2: Convert to fraction form
    525.55/788.27 = 160.34/x
  3. Step 3: Cross multiply
    525.55x = 788.27 × 160.34
  4. Step 4: Simplify right side
    525.55x = 126,391.21
  5. Step 5: Solve for x
    x = 126,391.21/525.55
  6. Step 6: Final answer
    x = 240.49

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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.