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Finding the Fourth Proportional to 364.94, 547.76 and 220.94

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Solution

The fourth proportional to 364.94, 547.76 and 220.94 is: 331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.94 : 547.76 = 220.94 : x
  2. Step 2: Convert to fraction form
    364.94/547.76 = 220.94/x
  3. Step 3: Cross multiply
    364.94x = 547.76 × 220.94
  4. Step 4: Simplify right side
    364.94x = 121,019.91
  5. Step 5: Solve for x
    x = 121,019.91/364.94
  6. Step 6: Final answer
    x = 331.62

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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.