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Finding the Fourth Proportional to 692.67, 954.54 and 625.56

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Solution

The fourth proportional to 692.67, 954.54 and 625.56 is: 862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.67 : 954.54 = 625.56 : x
  2. Step 2: Convert to fraction form
    692.67/954.54 = 625.56/x
  3. Step 3: Cross multiply
    692.67x = 954.54 × 625.56
  4. Step 4: Simplify right side
    692.67x = 597,122.04
  5. Step 5: Solve for x
    x = 597,122.04/692.67
  6. Step 6: Final answer
    x = 862.06

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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.