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Finding the Fourth Proportional to 149.16, 204.37 and 147.24

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Solution

The fourth proportional to 149.16, 204.37 and 147.24 is: 201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.16 : 204.37 = 147.24 : x
  2. Step 2: Convert to fraction form
    149.16/204.37 = 147.24/x
  3. Step 3: Cross multiply
    149.16x = 204.37 × 147.24
  4. Step 4: Simplify right side
    149.16x = 30,091.44
  5. Step 5: Solve for x
    x = 30,091.44/149.16
  6. Step 6: Final answer
    x = 201.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.