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Finding the Fourth Proportional to 267.90, 366.74 and 259.62

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Solution

The fourth proportional to 267.90, 366.74 and 259.62 is: 355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.90 : 366.74 = 259.62 : x
  2. Step 2: Convert to fraction form
    267.90/366.74 = 259.62/x
  3. Step 3: Cross multiply
    267.90x = 366.74 × 259.62
  4. Step 4: Simplify right side
    267.90x = 95,211.74
  5. Step 5: Solve for x
    x = 95,211.74/267.90
  6. Step 6: Final answer
    x = 355.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.