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Finding the Fourth Proportional to 962.22, 1,325.79 and 910.38

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Solution

The fourth proportional to 962.22, 1,325.79 and 910.38 is: 1,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.22 : 1,325.79 = 910.38 : x
  2. Step 2: Convert to fraction form
    962.22/1,325.79 = 910.38/x
  3. Step 3: Cross multiply
    962.22x = 1,325.79 × 910.38
  4. Step 4: Simplify right side
    962.22x = 1,206,972.70
  5. Step 5: Solve for x
    x = 1,206,972.70/962.22
  6. Step 6: Final answer
    x = 1,254.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.