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Finding the Fourth Proportional to 703.36, 970.36 and 481.93

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Solution

The fourth proportional to 703.36, 970.36 and 481.93 is: 664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.36 : 970.36 = 481.93 : x
  2. Step 2: Convert to fraction form
    703.36/970.36 = 481.93/x
  3. Step 3: Cross multiply
    703.36x = 970.36 × 481.93
  4. Step 4: Simplify right side
    703.36x = 467,645.59
  5. Step 5: Solve for x
    x = 467,645.59/703.36
  6. Step 6: Final answer
    x = 664.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.