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Finding the Fourth Proportional to 627.74, 941.61 and 262.33

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Solution

The fourth proportional to 627.74, 941.61 and 262.33 is: 393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.74 : 941.61 = 262.33 : x
  2. Step 2: Convert to fraction form
    627.74/941.61 = 262.33/x
  3. Step 3: Cross multiply
    627.74x = 941.61 × 262.33
  4. Step 4: Simplify right side
    627.74x = 247,012.55
  5. Step 5: Solve for x
    x = 247,012.55/627.74
  6. Step 6: Final answer
    x = 393.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 628.74, 943.11 and 263.33
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.