Finding the Fourth Proportional to 157.23, 236 and 122.60
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Solution
The fourth proportional to 157.23, 236 and 122.60 is: 184.02
Step by Step Solution
- Step 1: Write the proportion equation
157.23 : 236 = 122.60 : x - Step 2: Convert to fraction form
157.23/236 = 122.60/x - Step 3: Cross multiply
157.23x = 236 × 122.60 - Step 4: Simplify right side
157.23x = 28,933.60 - Step 5: Solve for x
x = 28,933.60/157.23 - Step 6: Final answer
x = 184.02
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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.