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Finding the Fourth Proportional to 613.18, 846 and 377.32

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Solution

The fourth proportional to 613.18, 846 and 377.32 is: 520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.18 : 846 = 377.32 : x
  2. Step 2: Convert to fraction form
    613.18/846 = 377.32/x
  3. Step 3: Cross multiply
    613.18x = 846 × 377.32
  4. Step 4: Simplify right side
    613.18x = 319,212.72
  5. Step 5: Solve for x
    x = 319,212.72/613.18
  6. Step 6: Final answer
    x = 520.59

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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.