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Finding the Fourth Proportional to 734.24, 1,101.36 and 295.69

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Solution

The fourth proportional to 734.24, 1,101.36 and 295.69 is: 443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.24 : 1,101.36 = 295.69 : x
  2. Step 2: Convert to fraction form
    734.24/1,101.36 = 295.69/x
  3. Step 3: Cross multiply
    734.24x = 1,101.36 × 295.69
  4. Step 4: Simplify right side
    734.24x = 325,661.14
  5. Step 5: Solve for x
    x = 325,661.14/734.24
  6. Step 6: Final answer
    x = 443.54

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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.