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Finding the Fourth Proportional to 511.15, 700.07 and 481.22

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Solution

The fourth proportional to 511.15, 700.07 and 481.22 is: 659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.15 : 700.07 = 481.22 : x
  2. Step 2: Convert to fraction form
    511.15/700.07 = 481.22/x
  3. Step 3: Cross multiply
    511.15x = 700.07 × 481.22
  4. Step 4: Simplify right side
    511.15x = 336,885.39
  5. Step 5: Solve for x
    x = 336,885.39/511.15
  6. Step 6: Final answer
    x = 659.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.