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Finding the Fourth Proportional to 147.98, 202.40 and 147.44

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Solution

The fourth proportional to 147.98, 202.40 and 147.44 is: 201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.98 : 202.40 = 147.44 : x
  2. Step 2: Convert to fraction form
    147.98/202.40 = 147.44/x
  3. Step 3: Cross multiply
    147.98x = 202.40 × 147.44
  4. Step 4: Simplify right side
    147.98x = 29,840.11
  5. Step 5: Solve for x
    x = 29,840.11/147.98
  6. Step 6: Final answer
    x = 201.66

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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.