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Finding the Fourth Proportional to 334.66, 501.98 and 219.83

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Solution

The fourth proportional to 334.66, 501.98 and 219.83 is: 329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.66 : 501.98 = 219.83 : x
  2. Step 2: Convert to fraction form
    334.66/501.98 = 219.83/x
  3. Step 3: Cross multiply
    334.66x = 501.98 × 219.83
  4. Step 4: Simplify right side
    334.66x = 110,347.75
  5. Step 5: Solve for x
    x = 110,347.75/334.66
  6. Step 6: Final answer
    x = 329.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.