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Finding the Fourth Proportional to 251.23, 346.37 and 192.26

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Solution

The fourth proportional to 251.23, 346.37 and 192.26 is: 265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.23 : 346.37 = 192.26 : x
  2. Step 2: Convert to fraction form
    251.23/346.37 = 192.26/x
  3. Step 3: Cross multiply
    251.23x = 346.37 × 192.26
  4. Step 4: Simplify right side
    251.23x = 66,590.40
  5. Step 5: Solve for x
    x = 66,590.40/251.23
  6. Step 6: Final answer
    x = 265.05

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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.