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Finding the Fourth Proportional to 269, 373.64 and 266.60

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Solution

The fourth proportional to 269, 373.64 and 266.60 is: 370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269 : 373.64 = 266.60 : x
  2. Step 2: Convert to fraction form
    269/373.64 = 266.60/x
  3. Step 3: Cross multiply
    269x = 373.64 × 266.60
  4. Step 4: Simplify right side
    269x = 99,612.42
  5. Step 5: Solve for x
    x = 99,612.42/269
  6. Step 6: Final answer
    x = 370.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.