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Finding the Fourth Proportional to 627.96, 941.34 and 465.96

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Solution

The fourth proportional to 627.96, 941.34 and 465.96 is: 698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.96 : 941.34 = 465.96 : x
  2. Step 2: Convert to fraction form
    627.96/941.34 = 465.96/x
  3. Step 3: Cross multiply
    627.96x = 941.34 × 465.96
  4. Step 4: Simplify right side
    627.96x = 438,626.79
  5. Step 5: Solve for x
    x = 438,626.79/627.96
  6. Step 6: Final answer
    x = 698.49

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.