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Finding the Fourth Proportional to 228.86, 341.61 and 201.52

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Solution

The fourth proportional to 228.86, 341.61 and 201.52 is: 300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.86 : 341.61 = 201.52 : x
  2. Step 2: Convert to fraction form
    228.86/341.61 = 201.52/x
  3. Step 3: Cross multiply
    228.86x = 341.61 × 201.52
  4. Step 4: Simplify right side
    228.86x = 68,840.92
  5. Step 5: Solve for x
    x = 68,840.92/228.86
  6. Step 6: Final answer
    x = 300.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.