Respuesta :

Answer:

=> x = 192

Step-by-step explanation:

[tex] \frac{144}{x} = \frac{x}{256} [/tex]

therefore we cross multiply x • x and 144 multiply 256

[tex] {x}^{2} = 144 \times 256[/tex]

multiply 144 by 256

[tex] {x}^{2} = 36864[/tex]

take √ 36864

[tex]x = 192[/tex]