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Finding the Fourth Proportional to 613.04, 845.99 and 364.55

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Solution

The fourth proportional to 613.04, 845.99 and 364.55 is: 503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.04 : 845.99 = 364.55 : x
  2. Step 2: Convert to fraction form
    613.04/845.99 = 364.55/x
  3. Step 3: Cross multiply
    613.04x = 845.99 × 364.55
  4. Step 4: Simplify right side
    613.04x = 308,399.60
  5. Step 5: Solve for x
    x = 308,399.60/613.04
  6. Step 6: Final answer
    x = 503.07

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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.