Finding the Fourth Proportional to 195.06, 268.86 and 124.99
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Solution
The fourth proportional to 195.06, 268.86 and 124.99 is: 172.28
Step by Step Solution
- Step 1: Write the proportion equation
195.06 : 268.86 = 124.99 : x - Step 2: Convert to fraction form
195.06/268.86 = 124.99/x - Step 3: Cross multiply
195.06x = 268.86 × 124.99 - Step 4: Simplify right side
195.06x = 33,604.81 - Step 5: Solve for x
x = 33,604.81/195.06 - Step 6: Final answer
x = 172.28
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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.