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Finding the Fourth Proportional to 1,364.02, 2,044.86 and 633.22

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Solution

The fourth proportional to 1,364.02, 2,044.86 and 633.22 is: 949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.02 : 2,044.86 = 633.22 : x
  2. Step 2: Convert to fraction form
    1,364.02/2,044.86 = 633.22/x
  3. Step 3: Cross multiply
    1,364.02x = 2,044.86 × 633.22
  4. Step 4: Simplify right side
    1,364.02x = 1,294,846.25
  5. Step 5: Solve for x
    x = 1,294,846.25/1,364.02
  6. Step 6: Final answer
    x = 949.29

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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.