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Finding the Fourth Proportional to 365.26, 547.97 and 134.15

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Solution

The fourth proportional to 365.26, 547.97 and 134.15 is: 201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.26 : 547.97 = 134.15 : x
  2. Step 2: Convert to fraction form
    365.26/547.97 = 134.15/x
  3. Step 3: Cross multiply
    365.26x = 547.97 × 134.15
  4. Step 4: Simplify right side
    365.26x = 73,510.18
  5. Step 5: Solve for x
    x = 73,510.18/365.26
  6. Step 6: Final answer
    x = 201.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.