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Finding the Fourth Proportional to 360.48, 497.48 and 203.14

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Solution

The fourth proportional to 360.48, 497.48 and 203.14 is: 280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.48 : 497.48 = 203.14 : x
  2. Step 2: Convert to fraction form
    360.48/497.48 = 203.14/x
  3. Step 3: Cross multiply
    360.48x = 497.48 × 203.14
  4. Step 4: Simplify right side
    360.48x = 101,058.09
  5. Step 5: Solve for x
    x = 101,058.09/360.48
  6. Step 6: Final answer
    x = 280.34

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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.