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Finding the Fourth Proportional to 364.41, 502.66 and 224.55

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Solution

The fourth proportional to 364.41, 502.66 and 224.55 is: 309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.41 : 502.66 = 224.55 : x
  2. Step 2: Convert to fraction form
    364.41/502.66 = 224.55/x
  3. Step 3: Cross multiply
    364.41x = 502.66 × 224.55
  4. Step 4: Simplify right side
    364.41x = 112,872.30
  5. Step 5: Solve for x
    x = 112,872.30/364.41
  6. Step 6: Final answer
    x = 309.74

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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.