Finding the Fourth Proportional to 151.99, 209.70 and 110.64
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Solution
The fourth proportional to 151.99, 209.70 and 110.64 is: 152.65
Step by Step Solution
- Step 1: Write the proportion equation
151.99 : 209.70 = 110.64 : x - Step 2: Convert to fraction form
151.99/209.70 = 110.64/x - Step 3: Cross multiply
151.99x = 209.70 × 110.64 - Step 4: Simplify right side
151.99x = 23,201.21 - Step 5: Solve for x
x = 23,201.21/151.99 - Step 6: Final answer
x = 152.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.