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Finding the Fourth Proportional to 134.64, 201.98 and 107.48

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Solution

The fourth proportional to 134.64, 201.98 and 107.48 is: 161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.64 : 201.98 = 107.48 : x
  2. Step 2: Convert to fraction form
    134.64/201.98 = 107.48/x
  3. Step 3: Cross multiply
    134.64x = 201.98 × 107.48
  4. Step 4: Simplify right side
    134.64x = 21,708.81
  5. Step 5: Solve for x
    x = 21,708.81/134.64
  6. Step 6: Final answer
    x = 161.24

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