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Finding the Fourth Proportional to 267.84, 369.36 and 190.08

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Solution

The fourth proportional to 267.84, 369.36 and 190.08 is: 262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.84 : 369.36 = 190.08 : x
  2. Step 2: Convert to fraction form
    267.84/369.36 = 190.08/x
  3. Step 3: Cross multiply
    267.84x = 369.36 × 190.08
  4. Step 4: Simplify right side
    267.84x = 70,207.95
  5. Step 5: Solve for x
    x = 70,207.95/267.84
  6. Step 6: Final answer
    x = 262.13

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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.