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Finding the Fourth Proportional to 626.33, 939.35 and 236.37

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Solution

The fourth proportional to 626.33, 939.35 and 236.37 is: 354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.33 : 939.35 = 236.37 : x
  2. Step 2: Convert to fraction form
    626.33/939.35 = 236.37/x
  3. Step 3: Cross multiply
    626.33x = 939.35 × 236.37
  4. Step 4: Simplify right side
    626.33x = 222,031.66
  5. Step 5: Solve for x
    x = 222,031.66/626.33
  6. Step 6: Final answer
    x = 354.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 627.33, 940.85 and 237.37
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.