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Finding the Fourth Proportional to 265.52, 397.58 and 234.76

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Solution

The fourth proportional to 265.52, 397.58 and 234.76 is: 351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.52 : 397.58 = 234.76 : x
  2. Step 2: Convert to fraction form
    265.52/397.58 = 234.76/x
  3. Step 3: Cross multiply
    265.52x = 397.58 × 234.76
  4. Step 4: Simplify right side
    265.52x = 93,335.88
  5. Step 5: Solve for x
    x = 93,335.88/265.52
  6. Step 6: Final answer
    x = 351.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.