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Finding the Fourth Proportional to 265.89, 367.26 and 234.90

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Solution

The fourth proportional to 265.89, 367.26 and 234.90 is: 324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.89 : 367.26 = 234.90 : x
  2. Step 2: Convert to fraction form
    265.89/367.26 = 234.90/x
  3. Step 3: Cross multiply
    265.89x = 367.26 × 234.90
  4. Step 4: Simplify right side
    265.89x = 86,269.37
  5. Step 5: Solve for x
    x = 86,269.37/265.89
  6. Step 6: Final answer
    x = 324.46

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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.