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Finding the Fourth Proportional to 264.37, 395.71 and 190.12

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Solution

The fourth proportional to 264.37, 395.71 and 190.12 is: 284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.37 : 395.71 = 190.12 : x
  2. Step 2: Convert to fraction form
    264.37/395.71 = 190.12/x
  3. Step 3: Cross multiply
    264.37x = 395.71 × 190.12
  4. Step 4: Simplify right side
    264.37x = 75,232.39
  5. Step 5: Solve for x
    x = 75,232.39/264.37
  6. Step 6: Final answer
    x = 284.57

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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.