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Finding the Fourth Proportional to 525.25, 787.42 and 200.41

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Solution

The fourth proportional to 525.25, 787.42 and 200.41 is: 300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.25 : 787.42 = 200.41 : x
  2. Step 2: Convert to fraction form
    525.25/787.42 = 200.41/x
  3. Step 3: Cross multiply
    525.25x = 787.42 × 200.41
  4. Step 4: Simplify right side
    525.25x = 157,805.12
  5. Step 5: Solve for x
    x = 157,805.12/525.25
  6. Step 6: Final answer
    x = 300.44

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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.