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Finding the Fourth Proportional to 1,094.27, 1,641.54 and 444.92

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Solution

The fourth proportional to 1,094.27, 1,641.54 and 444.92 is: 667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.27 : 1,641.54 = 444.92 : x
  2. Step 2: Convert to fraction form
    1,094.27/1,641.54 = 444.92/x
  3. Step 3: Cross multiply
    1,094.27x = 1,641.54 × 444.92
  4. Step 4: Simplify right side
    1,094.27x = 730,353.98
  5. Step 5: Solve for x
    x = 730,353.98/1,094.27
  6. Step 6: Final answer
    x = 667.43

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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.