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Finding the Fourth Proportional to 626.14, 939.07 and 236.13

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Solution

The fourth proportional to 626.14, 939.07 and 236.13 is: 354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.14 : 939.07 = 236.13 : x
  2. Step 2: Convert to fraction form
    626.14/939.07 = 236.13/x
  3. Step 3: Cross multiply
    626.14x = 939.07 × 236.13
  4. Step 4: Simplify right side
    626.14x = 221,742.60
  5. Step 5: Solve for x
    x = 221,742.60/626.14
  6. Step 6: Final answer
    x = 354.14

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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.