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Finding the Fourth Proportional to 360.92, 498.02 and 203.51

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Solution

The fourth proportional to 360.92, 498.02 and 203.51 is: 280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.92 : 498.02 = 203.51 : x
  2. Step 2: Convert to fraction form
    360.92/498.02 = 203.51/x
  3. Step 3: Cross multiply
    360.92x = 498.02 × 203.51
  4. Step 4: Simplify right side
    360.92x = 101,352.05
  5. Step 5: Solve for x
    x = 101,352.05/360.92
  6. Step 6: Final answer
    x = 280.82

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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.