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Finding the Fourth Proportional to 694.47, 950.85 and 692.04

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Solution

The fourth proportional to 694.47, 950.85 and 692.04 is: 947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.47 : 950.85 = 692.04 : x
  2. Step 2: Convert to fraction form
    694.47/950.85 = 692.04/x
  3. Step 3: Cross multiply
    694.47x = 950.85 × 692.04
  4. Step 4: Simplify right side
    694.47x = 658,026.23
  5. Step 5: Solve for x
    x = 658,026.23/694.47
  6. Step 6: Final answer
    x = 947.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.