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Finding the Fourth Proportional to 367.58, 506.63 and 297.38

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Solution

The fourth proportional to 367.58, 506.63 and 297.38 is: 409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.58 : 506.63 = 297.38 : x
  2. Step 2: Convert to fraction form
    367.58/506.63 = 297.38/x
  3. Step 3: Cross multiply
    367.58x = 506.63 × 297.38
  4. Step 4: Simplify right side
    367.58x = 150,657.61
  5. Step 5: Solve for x
    x = 150,657.61/367.58
  6. Step 6: Final answer
    x = 409.87

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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.