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Finding the Fourth Proportional to 295.19, 440.21 and 271.56

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Solution

The fourth proportional to 295.19, 440.21 and 271.56 is: 404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.19 : 440.21 = 271.56 : x
  2. Step 2: Convert to fraction form
    295.19/440.21 = 271.56/x
  3. Step 3: Cross multiply
    295.19x = 440.21 × 271.56
  4. Step 4: Simplify right side
    295.19x = 119,542.07
  5. Step 5: Solve for x
    x = 119,542.07/295.19
  6. Step 6: Final answer
    x = 404.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.