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Finding the Fourth Proportional to 452.92, 679.60 and 360.12

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Solution

The fourth proportional to 452.92, 679.60 and 360.12 is: 540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.92 : 679.60 = 360.12 : x
  2. Step 2: Convert to fraction form
    452.92/679.60 = 360.12/x
  3. Step 3: Cross multiply
    452.92x = 679.60 × 360.12
  4. Step 4: Simplify right side
    452.92x = 244,737.55
  5. Step 5: Solve for x
    x = 244,737.55/452.92
  6. Step 6: Final answer
    x = 540.35

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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.