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Finding the Fourth Proportional to 911.01, 1,367.33 and 651

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Solution

The fourth proportional to 911.01, 1,367.33 and 651 is: 977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    911.01 : 1,367.33 = 651 : x
  2. Step 2: Convert to fraction form
    911.01/1,367.33 = 651/x
  3. Step 3: Cross multiply
    911.01x = 1,367.33 × 651
  4. Step 4: Simplify right side
    911.01x = 890,131.83
  5. Step 5: Solve for x
    x = 890,131.83/911.01
  6. Step 6: Final answer
    x = 977.08

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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.