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Finding the Fourth Proportional to 228, 341.16 and 150.64

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Solution

The fourth proportional to 228, 341.16 and 150.64 is: 225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228 : 341.16 = 150.64 : x
  2. Step 2: Convert to fraction form
    228/341.16 = 150.64/x
  3. Step 3: Cross multiply
    228x = 341.16 × 150.64
  4. Step 4: Simplify right side
    228x = 51,392.34
  5. Step 5: Solve for x
    x = 51,392.34/228
  6. Step 6: Final answer
    x = 225.41

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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.