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Finding the Fourth Proportional to 364.04, 502.39 and 198.24

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Solution

The fourth proportional to 364.04, 502.39 and 198.24 is: 273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.04 : 502.39 = 198.24 : x
  2. Step 2: Convert to fraction form
    364.04/502.39 = 198.24/x
  3. Step 3: Cross multiply
    364.04x = 502.39 × 198.24
  4. Step 4: Simplify right side
    364.04x = 99,594.06
  5. Step 5: Solve for x
    x = 99,594.06/364.04
  6. Step 6: Final answer
    x = 273.58

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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.