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Finding the Fourth Proportional to 367.52, 507.26 and 212.36

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Solution

The fourth proportional to 367.52, 507.26 and 212.36 is: 293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.52 : 507.26 = 212.36 : x
  2. Step 2: Convert to fraction form
    367.52/507.26 = 212.36/x
  3. Step 3: Cross multiply
    367.52x = 507.26 × 212.36
  4. Step 4: Simplify right side
    367.52x = 107,721.73
  5. Step 5: Solve for x
    x = 107,721.73/367.52
  6. Step 6: Final answer
    x = 293.10

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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.