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Finding the Fourth Proportional to 694.67, 955.76 and 601.11

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Solution

The fourth proportional to 694.67, 955.76 and 601.11 is: 827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.67 : 955.76 = 601.11 : x
  2. Step 2: Convert to fraction form
    694.67/955.76 = 601.11/x
  3. Step 3: Cross multiply
    694.67x = 955.76 × 601.11
  4. Step 4: Simplify right side
    694.67x = 574,513.89
  5. Step 5: Solve for x
    x = 574,513.89/694.67
  6. Step 6: Final answer
    x = 827.04

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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.