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Finding the Fourth Proportional to 700.38, 965.66 and 605.88

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Solution

The fourth proportional to 700.38, 965.66 and 605.88 is: 835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.38 : 965.66 = 605.88 : x
  2. Step 2: Convert to fraction form
    700.38/965.66 = 605.88/x
  3. Step 3: Cross multiply
    700.38x = 965.66 × 605.88
  4. Step 4: Simplify right side
    700.38x = 585,071.05
  5. Step 5: Solve for x
    x = 585,071.05/700.38
  6. Step 6: Final answer
    x = 835.36

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Half scale
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Double scale
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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.