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Finding the Fourth Proportional to 621.27, 926.33 and 610.34

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Solution

The fourth proportional to 621.27, 926.33 and 610.34 is: 910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.27 : 926.33 = 610.34 : x
  2. Step 2: Convert to fraction form
    621.27/926.33 = 610.34/x
  3. Step 3: Cross multiply
    621.27x = 926.33 × 610.34
  4. Step 4: Simplify right side
    621.27x = 565,368.57
  5. Step 5: Solve for x
    x = 565,368.57/621.27
  6. Step 6: Final answer
    x = 910.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.