Finding the Fourth Proportional to 147.96, 203.58 and 126.99
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Solution
The fourth proportional to 147.96, 203.58 and 126.99 is: 174.73
Step by Step Solution
- Step 1: Write the proportion equation
147.96 : 203.58 = 126.99 : x - Step 2: Convert to fraction form
147.96/203.58 = 126.99/x - Step 3: Cross multiply
147.96x = 203.58 × 126.99 - Step 4: Simplify right side
147.96x = 25,852.62 - Step 5: Solve for x
x = 25,852.62/147.96 - Step 6: Final answer
x = 174.73
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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.