The provisions concerning guardians and minors' estates shall be the same as those set forth in the following provisions of this title for personal representatives and for the administration of decedents' estates:
Section 3355 (relating to restraint of sale).
Section 3356 (relating to purchase by personal representative).
Section 3358 (relating to collateral attack).
Section 3359 (relating to record of proceedings; county where real estate lies).
Section 3360 (relating to contracts, inadequacy of consideration or better offer; brokers' commissions).