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Finding the Fourth Proportional to 700.60, 967.44 and 439.06

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Solution

The fourth proportional to 700.60, 967.44 and 439.06 is: 606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.60 : 967.44 = 439.06 : x
  2. Step 2: Convert to fraction form
    700.60/967.44 = 439.06/x
  3. Step 3: Cross multiply
    700.60x = 967.44 × 439.06
  4. Step 4: Simplify right side
    700.60x = 424,764.21
  5. Step 5: Solve for x
    x = 424,764.21/700.60
  6. Step 6: Final answer
    x = 606.29

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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.