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Finding the Fourth Proportional to 773.59, 1,067.16 and 524.92

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Solution

The fourth proportional to 773.59, 1,067.16 and 524.92 is: 724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.59 : 1,067.16 = 524.92 : x
  2. Step 2: Convert to fraction form
    773.59/1,067.16 = 524.92/x
  3. Step 3: Cross multiply
    773.59x = 1,067.16 × 524.92
  4. Step 4: Simplify right side
    773.59x = 560,173.63
  5. Step 5: Solve for x
    x = 560,173.63/773.59
  6. Step 6: Final answer
    x = 724.12

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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.