Home / 850.13-1,274.28-356.41

Finding the Fourth Proportional to 850.13, 1,274.28 and 356.41

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Solution

The fourth proportional to 850.13, 1,274.28 and 356.41 is: 534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.13 : 1,274.28 = 356.41 : x
  2. Step 2: Convert to fraction form
    850.13/1,274.28 = 356.41/x
  3. Step 3: Cross multiply
    850.13x = 1,274.28 × 356.41
  4. Step 4: Simplify right side
    850.13x = 454,166.13
  5. Step 5: Solve for x
    x = 454,166.13/850.13
  6. Step 6: Final answer
    x = 534.23

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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.