Credit card reconcilliation

I have just tried to reconcile a credit card account for the first time using the “Match Transactions” method. There are only four transactions three (£149.00) of which fall within the dates I have specified and one later (£53.25). When I click “GO” is says I am £351.25 short!
I started off with a zero balance and with no opening balance.
I would really appreciate some help on this.
Many thanks.

looks like you have not tagged two 149 transactions

Thanks for replying to this. The £149 is made up of three transactions, £12, £20 & £117 and when I view them they are all tagged.