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Finding the Fourth Proportional to 350.15, 483.04 and 225.65

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Solution

The fourth proportional to 350.15, 483.04 and 225.65 is: 311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.15 : 483.04 = 225.65 : x
  2. Step 2: Convert to fraction form
    350.15/483.04 = 225.65/x
  3. Step 3: Cross multiply
    350.15x = 483.04 × 225.65
  4. Step 4: Simplify right side
    350.15x = 108,996.79
  5. Step 5: Solve for x
    x = 108,996.79/350.15
  6. Step 6: Final answer
    x = 311.29

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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.