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Finding the Fourth Proportional to 341.82, 515.04 and 282.29

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Solution

The fourth proportional to 341.82, 515.04 and 282.29 is: 425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.82 : 515.04 = 282.29 : x
  2. Step 2: Convert to fraction form
    341.82/515.04 = 282.29/x
  3. Step 3: Cross multiply
    341.82x = 515.04 × 282.29
  4. Step 4: Simplify right side
    341.82x = 145,390.79
  5. Step 5: Solve for x
    x = 145,390.79/341.82
  6. Step 6: Final answer
    x = 425.34

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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.