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Finding the Fourth Proportional to 360.41, 497.31 and 203.03

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Solution

The fourth proportional to 360.41, 497.31 and 203.03 is: 280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.41 : 497.31 = 203.03 : x
  2. Step 2: Convert to fraction form
    360.41/497.31 = 203.03/x
  3. Step 3: Cross multiply
    360.41x = 497.31 × 203.03
  4. Step 4: Simplify right side
    360.41x = 100,968.85
  5. Step 5: Solve for x
    x = 100,968.85/360.41
  6. Step 6: Final answer
    x = 280.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.