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Finding the Fourth Proportional to 626, 936.84 and 604.40

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Solution

The fourth proportional to 626, 936.84 and 604.40 is: 904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626 : 936.84 = 604.40 : x
  2. Step 2: Convert to fraction form
    626/936.84 = 604.40/x
  3. Step 3: Cross multiply
    626x = 936.84 × 604.40
  4. Step 4: Simplify right side
    626x = 566,226.10
  5. Step 5: Solve for x
    x = 566,226.10/626
  6. Step 6: Final answer
    x = 904.51

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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.