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Finding the Fourth Proportional to 1,081.82, 1,622.73 and 597.95

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Solution

The fourth proportional to 1,081.82, 1,622.73 and 597.95 is: 896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.82 : 1,622.73 = 597.95 : x
  2. Step 2: Convert to fraction form
    1,081.82/1,622.73 = 597.95/x
  3. Step 3: Cross multiply
    1,081.82x = 1,622.73 × 597.95
  4. Step 4: Simplify right side
    1,081.82x = 970,311.62
  5. Step 5: Solve for x
    x = 970,311.62/1,081.82
  6. Step 6: Final answer
    x = 896.92

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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.