Finding the Fourth Proportional to 151.99, 228.09 and 115.99
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Solution
The fourth proportional to 151.99, 228.09 and 115.99 is: 174.07
Step by Step Solution
- Step 1: Write the proportion equation
151.99 : 228.09 = 115.99 : x - Step 2: Convert to fraction form
151.99/228.09 = 115.99/x - Step 3: Cross multiply
151.99x = 228.09 × 115.99 - Step 4: Simplify right side
151.99x = 26,456.16 - Step 5: Solve for x
x = 26,456.16/151.99 - Step 6: Final answer
x = 174.07
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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.