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Finding the Fourth Proportional to 626.36, 939.53 and 496.22

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Solution

The fourth proportional to 626.36, 939.53 and 496.22 is: 744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.36 : 939.53 = 496.22 : x
  2. Step 2: Convert to fraction form
    626.36/939.53 = 496.22/x
  3. Step 3: Cross multiply
    626.36x = 939.53 × 496.22
  4. Step 4: Simplify right side
    626.36x = 466,210.12
  5. Step 5: Solve for x
    x = 466,210.12/626.36
  6. Step 6: Final answer
    x = 744.32

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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.