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Finding the Fourth Proportional to 700.26, 967.20 and 513.48

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Solution

The fourth proportional to 700.26, 967.20 and 513.48 is: 709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.26 : 967.20 = 513.48 : x
  2. Step 2: Convert to fraction form
    700.26/967.20 = 513.48/x
  3. Step 3: Cross multiply
    700.26x = 967.20 × 513.48
  4. Step 4: Simplify right side
    700.26x = 496,637.86
  5. Step 5: Solve for x
    x = 496,637.86/700.26
  6. Step 6: Final answer
    x = 709.22

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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.