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Finding the Fourth Proportional to 265.48, 396.29 and 234.80

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Solution

The fourth proportional to 265.48, 396.29 and 234.80 is: 350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.48 : 396.29 = 234.80 : x
  2. Step 2: Convert to fraction form
    265.48/396.29 = 234.80/x
  3. Step 3: Cross multiply
    265.48x = 396.29 × 234.80
  4. Step 4: Simplify right side
    265.48x = 93,048.98
  5. Step 5: Solve for x
    x = 93,048.98/265.48
  6. Step 6: Final answer
    x = 350.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.