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Finding the Fourth Proportional to 626.79, 939.77 and 334.10

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Solution

The fourth proportional to 626.79, 939.77 and 334.10 is: 500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.79 : 939.77 = 334.10 : x
  2. Step 2: Convert to fraction form
    626.79/939.77 = 334.10/x
  3. Step 3: Cross multiply
    626.79x = 939.77 × 334.10
  4. Step 4: Simplify right side
    626.79x = 313,978.25
  5. Step 5: Solve for x
    x = 313,978.25/626.79
  6. Step 6: Final answer
    x = 500.93

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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.