Finding the Fourth Proportional to 474.15, 711.06 and 181.68
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Solution
The fourth proportional to 474.15, 711.06 and 181.68 is: 272.45
Step by Step Solution
- Step 1: Write the proportion equation
474.15 : 711.06 = 181.68 : x - Step 2: Convert to fraction form
474.15/711.06 = 181.68/x - Step 3: Cross multiply
474.15x = 711.06 × 181.68 - Step 4: Simplify right side
474.15x = 129,183.05 - Step 5: Solve for x
x = 129,183.05/474.15 - Step 6: Final answer
x = 272.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.