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Finding the Fourth Proportional to 265.96, 366.24 and 259.90

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Solution

The fourth proportional to 265.96, 366.24 and 259.90 is: 357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.96 : 366.24 = 259.90 : x
  2. Step 2: Convert to fraction form
    265.96/366.24 = 259.90/x
  3. Step 3: Cross multiply
    265.96x = 366.24 × 259.90
  4. Step 4: Simplify right side
    265.96x = 95,184.45
  5. Step 5: Solve for x
    x = 95,184.45/265.96
  6. Step 6: Final answer
    x = 357.88

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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.