The correct dose for this child will be 93.92mg.
West's nomogram is a graphical tool used in medicine to estimate a patient's ideal body weight based on their height, helping in medication dosing and clinical assessments.
Based on this nomogram, the correct dose for this child will be:
= Adult dose * (Child surface area/ average adult surface area.)
= 250 mg * 0.3757/ 1.73m^2
= 93.92mg.
Therefore, the correct dose for this child will be 93.92mg.