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Finding the Fourth Proportional to 1,229.61, 1,844.43 and 352.14

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Solution

The fourth proportional to 1,229.61, 1,844.43 and 352.14 is: 528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.61 : 1,844.43 = 352.14 : x
  2. Step 2: Convert to fraction form
    1,229.61/1,844.43 = 352.14/x
  3. Step 3: Cross multiply
    1,229.61x = 1,844.43 × 352.14
  4. Step 4: Simplify right side
    1,229.61x = 649,497.58
  5. Step 5: Solve for x
    x = 649,497.58/1,229.61
  6. Step 6: Final answer
    x = 528.21

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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.