3ado, if the attempt is made to use it as an actual scale, would divide the octave into three arithmetically equal parts. The only intervals in it are 1/1, 4/3 and 5/3.
| # | Cents | Ratio | Interval name |
|---|---|---|---|
| 0 | 0 | 1/1 | perfect unison |
| 1 | 498 | 4/3 | just perfect fourth |
| 2 | 884.4 | 5/3 | just perfect sixth |