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Finding the Fourth Proportional to 613.08, 845.98 and 364.48

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Solution

The fourth proportional to 613.08, 845.98 and 364.48 is: 502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.08 : 845.98 = 364.48 : x
  2. Step 2: Convert to fraction form
    613.08/845.98 = 364.48/x
  3. Step 3: Cross multiply
    613.08x = 845.98 × 364.48
  4. Step 4: Simplify right side
    613.08x = 308,342.79
  5. Step 5: Solve for x
    x = 308,342.79/613.08
  6. Step 6: Final answer
    x = 502.94

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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.