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Finding the Fourth Proportional to 452.44, 679.07 and 336.61

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Solution

The fourth proportional to 452.44, 679.07 and 336.61 is: 505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.44 : 679.07 = 336.61 : x
  2. Step 2: Convert to fraction form
    452.44/679.07 = 336.61/x
  3. Step 3: Cross multiply
    452.44x = 679.07 × 336.61
  4. Step 4: Simplify right side
    452.44x = 228,581.75
  5. Step 5: Solve for x
    x = 228,581.75/452.44
  6. Step 6: Final answer
    x = 505.22

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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.