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Finding the Fourth Proportional to 736.44, 1,017 and 692.70

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Solution

The fourth proportional to 736.44, 1,017 and 692.70 is: 956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.44 : 1,017 = 692.70 : x
  2. Step 2: Convert to fraction form
    736.44/1,017 = 692.70/x
  3. Step 3: Cross multiply
    736.44x = 1,017 × 692.70
  4. Step 4: Simplify right side
    736.44x = 704,475.90
  5. Step 5: Solve for x
    x = 704,475.90/736.44
  6. Step 6: Final answer
    x = 956.60

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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.