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Finding the Fourth Proportional to 694.26, 945.24 and 692.10

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Solution

The fourth proportional to 694.26, 945.24 and 692.10 is: 942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.26 : 945.24 = 692.10 : x
  2. Step 2: Convert to fraction form
    694.26/945.24 = 692.10/x
  3. Step 3: Cross multiply
    694.26x = 945.24 × 692.10
  4. Step 4: Simplify right side
    694.26x = 654,200.60
  5. Step 5: Solve for x
    x = 654,200.60/694.26
  6. Step 6: Final answer
    x = 942.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.