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Finding the Fourth Proportional to 146.02, 201.60 and 96.94

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Solution

The fourth proportional to 146.02, 201.60 and 96.94 is: 133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.02 : 201.60 = 96.94 : x
  2. Step 2: Convert to fraction form
    146.02/201.60 = 96.94/x
  3. Step 3: Cross multiply
    146.02x = 201.60 × 96.94
  4. Step 4: Simplify right side
    146.02x = 19,543.10
  5. Step 5: Solve for x
    x = 19,543.10/146.02
  6. Step 6: Final answer
    x = 133.84

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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.