1. **State the problem:** Find 30% of 245. 2. **Formula:** To find a percentage of a number, use the formula: $$\text{Percentage value} = \frac{\text{percentage}}{100} \times \text{total number}$$ 3. **Apply the formula:** $$30\% \text{ of } 245 = \frac{30}{100} \times 245$$ 4. **Simplify the fraction:** $$= \frac{\cancel{30}}{\cancel{100}} \times 245 = \frac{3}{10} \times 245$$ 5. **Multiply:** $$= \frac{3 \times 245}{10} = \frac{735}{10}$$ 6. **Divide:** $$= 73.5$$ **Final answer:** 30% of 245 is **73.5**.