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Finding the Fourth Proportional to 350.53, 483.89 and 219.62

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Solution

The fourth proportional to 350.53, 483.89 and 219.62 is: 303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.53 : 483.89 = 219.62 : x
  2. Step 2: Convert to fraction form
    350.53/483.89 = 219.62/x
  3. Step 3: Cross multiply
    350.53x = 483.89 × 219.62
  4. Step 4: Simplify right side
    350.53x = 106,268.40
  5. Step 5: Solve for x
    x = 106,268.40/350.53
  6. Step 6: Final answer
    x = 303.16

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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.