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Finding the Fourth Proportional to 623.96, 937.02 and 515.96

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Solution

The fourth proportional to 623.96, 937.02 and 515.96 is: 774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.96 : 937.02 = 515.96 : x
  2. Step 2: Convert to fraction form
    623.96/937.02 = 515.96/x
  3. Step 3: Cross multiply
    623.96x = 937.02 × 515.96
  4. Step 4: Simplify right side
    623.96x = 483,464.84
  5. Step 5: Solve for x
    x = 483,464.84/623.96
  6. Step 6: Final answer
    x = 774.83

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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.