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Finding the Fourth Proportional to 568.57, 783.85 and 435.88

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Solution

The fourth proportional to 568.57, 783.85 and 435.88 is: 600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.57 : 783.85 = 435.88 : x
  2. Step 2: Convert to fraction form
    568.57/783.85 = 435.88/x
  3. Step 3: Cross multiply
    568.57x = 783.85 × 435.88
  4. Step 4: Simplify right side
    568.57x = 341,658.44
  5. Step 5: Solve for x
    x = 341,658.44/568.57
  6. Step 6: Final answer
    x = 600.91

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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.