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Finding the Fourth Proportional to 734.30, 1,099.98 and 363.54

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Solution

The fourth proportional to 734.30, 1,099.98 and 363.54 is: 544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.30 : 1,099.98 = 363.54 : x
  2. Step 2: Convert to fraction form
    734.30/1,099.98 = 363.54/x
  3. Step 3: Cross multiply
    734.30x = 1,099.98 × 363.54
  4. Step 4: Simplify right side
    734.30x = 399,886.73
  5. Step 5: Solve for x
    x = 399,886.73/734.30
  6. Step 6: Final answer
    x = 544.58

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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.