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Finding the Fourth Proportional to 350.30, 483.72 and 219.53

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Solution

The fourth proportional to 350.30, 483.72 and 219.53 is: 303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.30 : 483.72 = 219.53 : x
  2. Step 2: Convert to fraction form
    350.30/483.72 = 219.53/x
  3. Step 3: Cross multiply
    350.30x = 483.72 × 219.53
  4. Step 4: Simplify right side
    350.30x = 106,191.05
  5. Step 5: Solve for x
    x = 106,191.05/350.30
  6. Step 6: Final answer
    x = 303.14

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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.