Finding the Fourth Proportional to 157.24, 236.01 and 70.67
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Solution
The fourth proportional to 157.24, 236.01 and 70.67 is: 106.08
Step by Step Solution
- Step 1: Write the proportion equation
157.24 : 236.01 = 70.67 : x - Step 2: Convert to fraction form
157.24/236.01 = 70.67/x - Step 3: Cross multiply
157.24x = 236.01 × 70.67 - Step 4: Simplify right side
157.24x = 16,679.68 - Step 5: Solve for x
x = 16,679.68/157.24 - Step 6: Final answer
x = 106.08
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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.