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Finding the Fourth Proportional to 568.60, 852.94 and 353.64

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Solution

The fourth proportional to 568.60, 852.94 and 353.64 is: 530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.60 : 852.94 = 353.64 : x
  2. Step 2: Convert to fraction form
    568.60/852.94 = 353.64/x
  3. Step 3: Cross multiply
    568.60x = 852.94 × 353.64
  4. Step 4: Simplify right side
    568.60x = 301,633.70
  5. Step 5: Solve for x
    x = 301,633.70/568.60
  6. Step 6: Final answer
    x = 530.48

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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.