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Finding the Fourth Proportional to 341.55, 512.10 and 110.39

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Solution

The fourth proportional to 341.55, 512.10 and 110.39 is: 165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.55 : 512.10 = 110.39 : x
  2. Step 2: Convert to fraction form
    341.55/512.10 = 110.39/x
  3. Step 3: Cross multiply
    341.55x = 512.10 × 110.39
  4. Step 4: Simplify right side
    341.55x = 56,528.16
  5. Step 5: Solve for x
    x = 56,528.16/341.55
  6. Step 6: Final answer
    x = 165.50

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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.