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Finding the Fourth Proportional to 350.35, 483.23 and 217.65

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Solution

The fourth proportional to 350.35, 483.23 and 217.65 is: 300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.35 : 483.23 = 217.65 : x
  2. Step 2: Convert to fraction form
    350.35/483.23 = 217.65/x
  3. Step 3: Cross multiply
    350.35x = 483.23 × 217.65
  4. Step 4: Simplify right side
    350.35x = 105,171.51
  5. Step 5: Solve for x
    x = 105,171.51/350.35
  6. Step 6: Final answer
    x = 300.19

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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.