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Finding the Fourth Proportional to 662.92, 995.62 and 608.74

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Solution

The fourth proportional to 662.92, 995.62 and 608.74 is: 914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.92 : 995.62 = 608.74 : x
  2. Step 2: Convert to fraction form
    662.92/995.62 = 608.74/x
  3. Step 3: Cross multiply
    662.92x = 995.62 × 608.74
  4. Step 4: Simplify right side
    662.92x = 606,073.72
  5. Step 5: Solve for x
    x = 606,073.72/662.92
  6. Step 6: Final answer
    x = 914.25

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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.