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Finding the Fourth Proportional to 662.86, 995.90 and 585.10

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Solution

The fourth proportional to 662.86, 995.90 and 585.10 is: 879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.86 : 995.90 = 585.10 : x
  2. Step 2: Convert to fraction form
    662.86/995.90 = 585.10/x
  3. Step 3: Cross multiply
    662.86x = 995.90 × 585.10
  4. Step 4: Simplify right side
    662.86x = 582,701.09
  5. Step 5: Solve for x
    x = 582,701.09/662.86
  6. Step 6: Final answer
    x = 879.07

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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.