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Finding the Fourth Proportional to 364.00, 502.32 and 206.63

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Solution

The fourth proportional to 364.00, 502.32 and 206.63 is: 285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.00 : 502.32 = 206.63 : x
  2. Step 2: Convert to fraction form
    364.00/502.32 = 206.63/x
  3. Step 3: Cross multiply
    364.00x = 502.32 × 206.63
  4. Step 4: Simplify right side
    364.00x = 103,791.87
  5. Step 5: Solve for x
    x = 103,791.87/364.00
  6. Step 6: Final answer
    x = 285.15

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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.