If $a ∶ b :: x ∶ y$ , then alternando property is

In a ratio $a ∶ b$, a is called

In continued proportion $a ∶ b = b ∶ c$, $ac=b^2$, b is said to be _____ proportional between a and c

The fourth proportional w of $x ∶ y :: v ∶ w$ is

In a ratio $x ∶ y$, y is called

If $a ∶ b :: x ∶ y$ , then invertendo property is

If $\frac{a}{b} = \frac{c}{d}$, then componendo property is

In a proportion \(a : b :: c : d\), a and d are called

If $ u \propto v^2 $ then

If $\frac{u}{v} = \frac{v}{w} = k$, then

The third proportional of $x^2$ and $y^2$ is

In continued proportion $a ∶ b = b ∶ c$, $c$ is said to be _____ proportional between a and b

In a proportion \(a : b :: c : d\), b and c are called

If $ y^2 \propto \frac{1}{x^3} $ then

Find $x$ in proportion $4 ∶ x :: 5 ∶ 15$