Finding the Fourth Proportional to 170.99, 236.02 and 136.08
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Solution
The fourth proportional to 170.99, 236.02 and 136.08 is: 187.83
Step by Step Solution
- Step 1: Write the proportion equation
170.99 : 236.02 = 136.08 : x - Step 2: Convert to fraction form
170.99/236.02 = 136.08/x - Step 3: Cross multiply
170.99x = 236.02 × 136.08 - Step 4: Simplify right side
170.99x = 32,116.92 - Step 5: Solve for x
x = 32,116.92/170.99 - Step 6: Final answer
x = 187.83
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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.