Define category ID using get_post_meta

<?php 
global $wp_query;
 $cata = get_post_meta( get_the_ID(), 'cata', false);  
query_posts (
array(
    'cat'=> $cata,
    'showposts' =>'1000'
    )
);
if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
  <!-- BEER ITEM -->
        <div class="menu-title">
        <span><?php the_title(); ?></span>
        </div>
        <div class="menu-desc-wrap">
        <div class="beer-discripton">
        <span></span>
        <?php the_content(); ?>
        </div>
        <div class="percent"><span> <?php echo get_post_meta( get_the_ID(), 'Percent', true ); ?></span></div>
        </div>
        <!-- BEER ITEM END -->
<?php endwhile; endif; wp_reset_query(); ?>