Finding the Fourth Proportional to 474.63, 711.99 and 186
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Solution
The fourth proportional to 474.63, 711.99 and 186 is: 279.02
Step by Step Solution
- Step 1: Write the proportion equation
474.63 : 711.99 = 186 : x - Step 2: Convert to fraction form
474.63/711.99 = 186/x - Step 3: Cross multiply
474.63x = 711.99 × 186 - Step 4: Simplify right side
474.63x = 132,430.14 - Step 5: Solve for x
x = 132,430.14/474.63 - Step 6: Final answer
x = 279.02
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