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Finding the Fourth Proportional to 700.22, 965.22 and 451.46

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Solution

The fourth proportional to 700.22, 965.22 and 451.46 is: 622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.22 : 965.22 = 451.46 : x
  2. Step 2: Convert to fraction form
    700.22/965.22 = 451.46/x
  3. Step 3: Cross multiply
    700.22x = 965.22 × 451.46
  4. Step 4: Simplify right side
    700.22x = 435,758.22
  5. Step 5: Solve for x
    x = 435,758.22/700.22
  6. Step 6: Final answer
    x = 622.32

Related Problems

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Double scale
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Similar ratio
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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.