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Finding the Fourth Proportional to 365.60, 548.06 and 134.33

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Solution

The fourth proportional to 365.60, 548.06 and 134.33 is: 201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.60 : 548.06 = 134.33 : x
  2. Step 2: Convert to fraction form
    365.60/548.06 = 134.33/x
  3. Step 3: Cross multiply
    365.60x = 548.06 × 134.33
  4. Step 4: Simplify right side
    365.60x = 73,622.77
  5. Step 5: Solve for x
    x = 73,622.77/365.60
  6. Step 6: Final answer
    x = 201.37

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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.