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Finding the Fourth Proportional to 608.11, 910.14 and 492.18

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Solution

The fourth proportional to 608.11, 910.14 and 492.18 is: 736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.11 : 910.14 = 492.18 : x
  2. Step 2: Convert to fraction form
    608.11/910.14 = 492.18/x
  3. Step 3: Cross multiply
    608.11x = 910.14 × 492.18
  4. Step 4: Simplify right side
    608.11x = 447,947.45
  5. Step 5: Solve for x
    x = 447,947.45/608.11
  6. Step 6: Final answer
    x = 736.63

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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.