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Finding the Fourth Proportional to 619.13, 925.27 and 496.82

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Solution

The fourth proportional to 619.13, 925.27 and 496.82 is: 742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.13 : 925.27 = 496.82 : x
  2. Step 2: Convert to fraction form
    619.13/925.27 = 496.82/x
  3. Step 3: Cross multiply
    619.13x = 925.27 × 496.82
  4. Step 4: Simplify right side
    619.13x = 459,692.64
  5. Step 5: Solve for x
    x = 459,692.64/619.13
  6. Step 6: Final answer
    x = 742.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.