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Finding the Fourth Proportional to 568.06, 852.10 and 157.23

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Solution

The fourth proportional to 568.06, 852.10 and 157.23 is: 235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.06 : 852.10 = 157.23 : x
  2. Step 2: Convert to fraction form
    568.06/852.10 = 157.23/x
  3. Step 3: Cross multiply
    568.06x = 852.10 × 157.23
  4. Step 4: Simplify right side
    568.06x = 133,975.29
  5. Step 5: Solve for x
    x = 133,975.29/568.06
  6. Step 6: Final answer
    x = 235.85

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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.