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Finding the Fourth Proportional to 295.92, 444.20 and 203.74

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Solution

The fourth proportional to 295.92, 444.20 and 203.74 is: 305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.92 : 444.20 = 203.74 : x
  2. Step 2: Convert to fraction form
    295.92/444.20 = 203.74/x
  3. Step 3: Cross multiply
    295.92x = 444.20 × 203.74
  4. Step 4: Simplify right side
    295.92x = 90,501.31
  5. Step 5: Solve for x
    x = 90,501.31/295.92
  6. Step 6: Final answer
    x = 305.83

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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.