want to display images in proper format.

I am able to display image dynamically on my page. I am working on my college project and making a job placement website in php. when a user search for job on search criteria as "search by company" then user should be able to see all the company logo which is been added but in proper format.

I want 3 image to be display in 1 row and after that it should goto next row and again show 3 images and so on.

I can to do that statically by using tag with 2 and 3 tag. but how to achieve it dynamically using while loop.

Can someone help me by giving code or idea to achieve what I am trying to do.