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Finding the Fourth Proportional to 568.50, 852.76 and 243.65

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Solution

The fourth proportional to 568.50, 852.76 and 243.65 is: 365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.50 : 852.76 = 243.65 : x
  2. Step 2: Convert to fraction form
    568.50/852.76 = 243.65/x
  3. Step 3: Cross multiply
    568.50x = 852.76 × 243.65
  4. Step 4: Simplify right side
    568.50x = 207,777.41
  5. Step 5: Solve for x
    x = 207,777.41/568.50
  6. Step 6: Final answer
    x = 365.49

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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.