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Finding the Fourth Proportional to 700.96, 967.62 and 515.92

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Solution

The fourth proportional to 700.96, 967.62 and 515.92 is: 712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.96 : 967.62 = 515.92 : x
  2. Step 2: Convert to fraction form
    700.96/967.62 = 515.92/x
  3. Step 3: Cross multiply
    700.96x = 967.62 × 515.92
  4. Step 4: Simplify right side
    700.96x = 499,214.51
  5. Step 5: Solve for x
    x = 499,214.51/700.96
  6. Step 6: Final answer
    x = 712.19

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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.