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Finding the Fourth Proportional to 729.57, 1,094.15 and 296.63

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Solution

The fourth proportional to 729.57, 1,094.15 and 296.63 is: 444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.57 : 1,094.15 = 296.63 : x
  2. Step 2: Convert to fraction form
    729.57/1,094.15 = 296.63/x
  3. Step 3: Cross multiply
    729.57x = 1,094.15 × 296.63
  4. Step 4: Simplify right side
    729.57x = 324,550.76
  5. Step 5: Solve for x
    x = 324,550.76/729.57
  6. Step 6: Final answer
    x = 444.85

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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.