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Finding the Fourth Proportional to 341.28, 511.77 and 110.22

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Solution

The fourth proportional to 341.28, 511.77 and 110.22 is: 165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.28 : 511.77 = 110.22 : x
  2. Step 2: Convert to fraction form
    341.28/511.77 = 110.22/x
  3. Step 3: Cross multiply
    341.28x = 511.77 × 110.22
  4. Step 4: Simplify right side
    341.28x = 56,407.29
  5. Step 5: Solve for x
    x = 56,407.29/341.28
  6. Step 6: Final answer
    x = 165.28

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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.