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Finding the Fourth Proportional to 620.44, 924.25 and 610.11

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Solution

The fourth proportional to 620.44, 924.25 and 610.11 is: 908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.44 : 924.25 = 610.11 : x
  2. Step 2: Convert to fraction form
    620.44/924.25 = 610.11/x
  3. Step 3: Cross multiply
    620.44x = 924.25 × 610.11
  4. Step 4: Simplify right side
    620.44x = 563,894.17
  5. Step 5: Solve for x
    x = 563,894.17/620.44
  6. Step 6: Final answer
    x = 908.86

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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.