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Finding the Fourth Proportional to 568.50, 852.75 and 203.28

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Solution

The fourth proportional to 568.50, 852.75 and 203.28 is: 304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.50 : 852.75 = 203.28 : x
  2. Step 2: Convert to fraction form
    568.50/852.75 = 203.28/x
  3. Step 3: Cross multiply
    568.50x = 852.75 × 203.28
  4. Step 4: Simplify right side
    568.50x = 173,347.02
  5. Step 5: Solve for x
    x = 173,347.02/568.50
  6. Step 6: Final answer
    x = 304.92

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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.