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Finding the Fourth Proportional to 614.57, 837.45 and 612.41

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Solution

The fourth proportional to 614.57, 837.45 and 612.41 is: 834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.57 : 837.45 = 612.41 : x
  2. Step 2: Convert to fraction form
    614.57/837.45 = 612.41/x
  3. Step 3: Cross multiply
    614.57x = 837.45 × 612.41
  4. Step 4: Simplify right side
    614.57x = 512,858.57
  5. Step 5: Solve for x
    x = 512,858.57/614.57
  6. Step 6: Final answer
    x = 834.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.