Finding the Fourth Proportional to 474.99, 712.68 and 201.12
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Solution
The fourth proportional to 474.99, 712.68 and 201.12 is: 301.76
Step by Step Solution
- Step 1: Write the proportion equation
474.99 : 712.68 = 201.12 : x - Step 2: Convert to fraction form
474.99/712.68 = 201.12/x - Step 3: Cross multiply
474.99x = 712.68 × 201.12 - Step 4: Simplify right side
474.99x = 143,330.64 - Step 5: Solve for x
x = 143,330.64/474.99 - Step 6: Final answer
x = 301.76
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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.