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Finding the Fourth Proportional to 1,168.46, 1,750.86 and 734.71

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Solution

The fourth proportional to 1,168.46, 1,750.86 and 734.71 is: 1,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.46 : 1,750.86 = 734.71 : x
  2. Step 2: Convert to fraction form
    1,168.46/1,750.86 = 734.71/x
  3. Step 3: Cross multiply
    1,168.46x = 1,750.86 × 734.71
  4. Step 4: Simplify right side
    1,168.46x = 1,286,374.35
  5. Step 5: Solve for x
    x = 1,286,374.35/1,168.46
  6. Step 6: Final answer
    x = 1,100.91

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