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Finding the Fourth Proportional to 671.09, 925.02 and 577.53

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Solution

The fourth proportional to 671.09, 925.02 and 577.53 is: 796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.09 : 925.02 = 577.53 : x
  2. Step 2: Convert to fraction form
    671.09/925.02 = 577.53/x
  3. Step 3: Cross multiply
    671.09x = 925.02 × 577.53
  4. Step 4: Simplify right side
    671.09x = 534,226.80
  5. Step 5: Solve for x
    x = 534,226.80/671.09
  6. Step 6: Final answer
    x = 796.06

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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.