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Finding the Fourth Proportional to 568.08, 784.44 and 452.16

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Solution

The fourth proportional to 568.08, 784.44 and 452.16 is: 624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 784.44 = 452.16 : x
  2. Step 2: Convert to fraction form
    568.08/784.44 = 452.16/x
  3. Step 3: Cross multiply
    568.08x = 784.44 × 452.16
  4. Step 4: Simplify right side
    568.08x = 354,692.39
  5. Step 5: Solve for x
    x = 354,692.39/568.08
  6. Step 6: Final answer
    x = 624.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.