Fire protection districts may be established to serve all or any defined portion of any county in any of the following ways:
(1) By ten percent (10%) of the qualified electors in the proposed district's petitioning the quorum court to hold a public hearing and to form a district, and by the quorum court's adopting an ordinance calling for notice and a public hearing within the district;
(2) By the county court pursuant to an election of the qualified electors of the proposed district initiated, called, and conducted as provided in this subchapter; or
(3) By the county court pursuant to a resolution of a suburban improvement district, approved by unanimous vote of its board of commissioners, to convert to a fire protection district to be administered under this subchapter.