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Finding the Fourth Proportional to 613.35, 846.34 and 364.68

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Solution

The fourth proportional to 613.35, 846.34 and 364.68 is: 503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.35 : 846.34 = 364.68 : x
  2. Step 2: Convert to fraction form
    613.35/846.34 = 364.68/x
  3. Step 3: Cross multiply
    613.35x = 846.34 × 364.68
  4. Step 4: Simplify right side
    613.35x = 308,643.27
  5. Step 5: Solve for x
    x = 308,643.27/613.35
  6. Step 6: Final answer
    x = 503.21

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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.