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Finding the Fourth Proportional to 251.18, 346.60 and 146.27

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Solution

The fourth proportional to 251.18, 346.60 and 146.27 is: 201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.18 : 346.60 = 146.27 : x
  2. Step 2: Convert to fraction form
    251.18/346.60 = 146.27/x
  3. Step 3: Cross multiply
    251.18x = 346.60 × 146.27
  4. Step 4: Simplify right side
    251.18x = 50,697.18
  5. Step 5: Solve for x
    x = 50,697.18/251.18
  6. Step 6: Final answer
    x = 201.84

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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.