Home / 850.10-1,273.95-336.50

Finding the Fourth Proportional to 850.10, 1,273.95 and 336.50

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Solution

The fourth proportional to 850.10, 1,273.95 and 336.50 is: 504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.10 : 1,273.95 = 336.50 : x
  2. Step 2: Convert to fraction form
    850.10/1,273.95 = 336.50/x
  3. Step 3: Cross multiply
    850.10x = 1,273.95 × 336.50
  4. Step 4: Simplify right side
    850.10x = 428,684.18
  5. Step 5: Solve for x
    x = 428,684.18/850.10
  6. Step 6: Final answer
    x = 504.27

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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.