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Finding the Fourth Proportional to 1,494.94, 2,241.06 and 629.32

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Solution

The fourth proportional to 1,494.94, 2,241.06 and 629.32 is: 943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.94 : 2,241.06 = 629.32 : x
  2. Step 2: Convert to fraction form
    1,494.94/2,241.06 = 629.32/x
  3. Step 3: Cross multiply
    1,494.94x = 2,241.06 × 629.32
  4. Step 4: Simplify right side
    1,494.94x = 1,410,343.88
  5. Step 5: Solve for x
    x = 1,410,343.88/1,494.94
  6. Step 6: Final answer
    x = 943.41

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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.