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Finding the Fourth Proportional to 295.47, 406.03 and 281.92

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Solution

The fourth proportional to 295.47, 406.03 and 281.92 is: 387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.47 : 406.03 = 281.92 : x
  2. Step 2: Convert to fraction form
    295.47/406.03 = 281.92/x
  3. Step 3: Cross multiply
    295.47x = 406.03 × 281.92
  4. Step 4: Simplify right side
    295.47x = 114,467.16
  5. Step 5: Solve for x
    x = 114,467.16/295.47
  6. Step 6: Final answer
    x = 387.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.