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Finding the Fourth Proportional to 1,194.21, 1,791.97 and 463.82

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Solution

The fourth proportional to 1,194.21, 1,791.97 and 463.82 is: 695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.21 : 1,791.97 = 463.82 : x
  2. Step 2: Convert to fraction form
    1,194.21/1,791.97 = 463.82/x
  3. Step 3: Cross multiply
    1,194.21x = 1,791.97 × 463.82
  4. Step 4: Simplify right side
    1,194.21x = 831,151.53
  5. Step 5: Solve for x
    x = 831,151.53/1,194.21
  6. Step 6: Final answer
    x = 695.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.