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Finding the Fourth Proportional to 452.55, 679.03 and 160.26

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Solution

The fourth proportional to 452.55, 679.03 and 160.26 is: 240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.55 : 679.03 = 160.26 : x
  2. Step 2: Convert to fraction form
    452.55/679.03 = 160.26/x
  3. Step 3: Cross multiply
    452.55x = 679.03 × 160.26
  4. Step 4: Simplify right side
    452.55x = 108,821.35
  5. Step 5: Solve for x
    x = 108,821.35/452.55
  6. Step 6: Final answer
    x = 240.46

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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.