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Finding the Fourth Proportional to 610.10, 913.05 and 366.80

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Solution

The fourth proportional to 610.10, 913.05 and 366.80 is: 548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.10 : 913.05 = 366.80 : x
  2. Step 2: Convert to fraction form
    610.10/913.05 = 366.80/x
  3. Step 3: Cross multiply
    610.10x = 913.05 × 366.80
  4. Step 4: Simplify right side
    610.10x = 334,906.74
  5. Step 5: Solve for x
    x = 334,906.74/610.10
  6. Step 6: Final answer
    x = 548.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.