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Finding the Fourth Proportional to 733.45, 1,100.19 and 246.49

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Solution

The fourth proportional to 733.45, 1,100.19 and 246.49 is: 369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.45 : 1,100.19 = 246.49 : x
  2. Step 2: Convert to fraction form
    733.45/1,100.19 = 246.49/x
  3. Step 3: Cross multiply
    733.45x = 1,100.19 × 246.49
  4. Step 4: Simplify right side
    733.45x = 271,185.83
  5. Step 5: Solve for x
    x = 271,185.83/733.45
  6. Step 6: Final answer
    x = 369.74

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1.5x scale

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.