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Finding the Fourth Proportional to 613, 846 and 351

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Solution

The fourth proportional to 613, 846 and 351 is: 484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    613 : 846 = 351 : x
  2. Step 2: Convert to fraction form
    613/846 = 351/x
  3. Step 3: Cross multiply
    613x = 846 × 351
  4. Step 4: Simplify right side
    613x = 296,946
  5. Step 5: Solve for x
    x = 296,946/613
  6. Step 6: Final answer
    x = 484.41

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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.