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Finding the Fourth Proportional to 295.59, 408.06 and 225.93

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Solution

The fourth proportional to 295.59, 408.06 and 225.93 is: 311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.59 : 408.06 = 225.93 : x
  2. Step 2: Convert to fraction form
    295.59/408.06 = 225.93/x
  3. Step 3: Cross multiply
    295.59x = 408.06 × 225.93
  4. Step 4: Simplify right side
    295.59x = 92,193.00
  5. Step 5: Solve for x
    x = 92,193.00/295.59
  6. Step 6: Final answer
    x = 311.89

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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.