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Finding the Fourth Proportional to 341.19, 513.63 and 264.60

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Solution

The fourth proportional to 341.19, 513.63 and 264.60 is: 398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.19 : 513.63 = 264.60 : x
  2. Step 2: Convert to fraction form
    341.19/513.63 = 264.60/x
  3. Step 3: Cross multiply
    341.19x = 513.63 × 264.60
  4. Step 4: Simplify right side
    341.19x = 135,906.50
  5. Step 5: Solve for x
    x = 135,906.50/341.19
  6. Step 6: Final answer
    x = 398.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.