Finding the Fourth Proportional to 146.99, 202.88 and 91.74
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Solution
The fourth proportional to 146.99, 202.88 and 91.74 is: 126.62
Step by Step Solution
- Step 1: Write the proportion equation
146.99 : 202.88 = 91.74 : x - Step 2: Convert to fraction form
146.99/202.88 = 91.74/x - Step 3: Cross multiply
146.99x = 202.88 × 91.74 - Step 4: Simplify right side
146.99x = 18,611.75 - Step 5: Solve for x
x = 18,611.75/146.99 - Step 6: Final answer
x = 126.62
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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.