Finding the Fourth Proportional to 157.41, 236.07 and 54.68
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Solution
The fourth proportional to 157.41, 236.07 and 54.68 is: 82.00
Step by Step Solution
- Step 1: Write the proportion equation
157.41 : 236.07 = 54.68 : x - Step 2: Convert to fraction form
157.41/236.07 = 54.68/x - Step 3: Cross multiply
157.41x = 236.07 × 54.68 - Step 4: Simplify right side
157.41x = 12,907.13 - Step 5: Solve for x
x = 12,907.13/157.41 - Step 6: Final answer
x = 82.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.