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Finding the Fourth Proportional to 576.10, 795 and 340.18

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Solution

The fourth proportional to 576.10, 795 and 340.18 is: 469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.10 : 795 = 340.18 : x
  2. Step 2: Convert to fraction form
    576.10/795 = 340.18/x
  3. Step 3: Cross multiply
    576.10x = 795 × 340.18
  4. Step 4: Simplify right side
    576.10x = 270,443.10
  5. Step 5: Solve for x
    x = 270,443.10/576.10
  6. Step 6: Final answer
    x = 469.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.