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Finding the Fourth Proportional to 700.39, 968.34 and 669.79

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Solution

The fourth proportional to 700.39, 968.34 and 669.79 is: 926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.39 : 968.34 = 669.79 : x
  2. Step 2: Convert to fraction form
    700.39/968.34 = 669.79/x
  3. Step 3: Cross multiply
    700.39x = 968.34 × 669.79
  4. Step 4: Simplify right side
    700.39x = 648,584.45
  5. Step 5: Solve for x
    x = 648,584.45/700.39
  6. Step 6: Final answer
    x = 926.03

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1.5x scale

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.