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Finding the Fourth Proportional to 368.11, 506.91 and 366.94

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Solution

The fourth proportional to 368.11, 506.91 and 366.94 is: 505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.11 : 506.91 = 366.94 : x
  2. Step 2: Convert to fraction form
    368.11/506.91 = 366.94/x
  3. Step 3: Cross multiply
    368.11x = 506.91 × 366.94
  4. Step 4: Simplify right side
    368.11x = 186,005.56
  5. Step 5: Solve for x
    x = 186,005.56/368.11
  6. Step 6: Final answer
    x = 505.30

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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.