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Finding the Fourth Proportional to 692.33, 954.31 and 544.71

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Solution

The fourth proportional to 692.33, 954.31 and 544.71 is: 750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.33 : 954.31 = 544.71 : x
  2. Step 2: Convert to fraction form
    692.33/954.31 = 544.71/x
  3. Step 3: Cross multiply
    692.33x = 954.31 × 544.71
  4. Step 4: Simplify right side
    692.33x = 519,822.20
  5. Step 5: Solve for x
    x = 519,822.20/692.33
  6. Step 6: Final answer
    x = 750.83

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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.