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Finding the Fourth Proportional to 899.92, 1,350.29 and 467.38

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Solution

The fourth proportional to 899.92, 1,350.29 and 467.38 is: 701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.92 : 1,350.29 = 467.38 : x
  2. Step 2: Convert to fraction form
    899.92/1,350.29 = 467.38/x
  3. Step 3: Cross multiply
    899.92x = 1,350.29 × 467.38
  4. Step 4: Simplify right side
    899.92x = 631,098.54
  5. Step 5: Solve for x
    x = 631,098.54/899.92
  6. Step 6: Final answer
    x = 701.28

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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.