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Finding the Fourth Proportional to 626.05, 936.91 and 463.51

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Solution

The fourth proportional to 626.05, 936.91 and 463.51 is: 693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.05 : 936.91 = 463.51 : x
  2. Step 2: Convert to fraction form
    626.05/936.91 = 463.51/x
  3. Step 3: Cross multiply
    626.05x = 936.91 × 463.51
  4. Step 4: Simplify right side
    626.05x = 434,267.15
  5. Step 5: Solve for x
    x = 434,267.15/626.05
  6. Step 6: Final answer
    x = 693.66

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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.