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Finding the Fourth Proportional to 613.09, 846.18 and 364.54

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Solution

The fourth proportional to 613.09, 846.18 and 364.54 is: 503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.09 : 846.18 = 364.54 : x
  2. Step 2: Convert to fraction form
    613.09/846.18 = 364.54/x
  3. Step 3: Cross multiply
    613.09x = 846.18 × 364.54
  4. Step 4: Simplify right side
    613.09x = 308,466.46
  5. Step 5: Solve for x
    x = 308,466.46/613.09
  6. Step 6: Final answer
    x = 503.13

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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.