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Finding the Fourth Proportional to 364.30, 502.62 and 222.46

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Solution

The fourth proportional to 364.30, 502.62 and 222.46 is: 306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.30 : 502.62 = 222.46 : x
  2. Step 2: Convert to fraction form
    364.30/502.62 = 222.46/x
  3. Step 3: Cross multiply
    364.30x = 502.62 × 222.46
  4. Step 4: Simplify right side
    364.30x = 111,812.39
  5. Step 5: Solve for x
    x = 111,812.39/364.30
  6. Step 6: Final answer
    x = 306.92

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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.