Finding the Fourth Proportional to 158.24, 236.96 and 109.92
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Solution
The fourth proportional to 158.24, 236.96 and 109.92 is: 164.60
Step by Step Solution
- Step 1: Write the proportion equation
158.24 : 236.96 = 109.92 : x - Step 2: Convert to fraction form
158.24/236.96 = 109.92/x - Step 3: Cross multiply
158.24x = 236.96 × 109.92 - Step 4: Simplify right side
158.24x = 26,046.64 - Step 5: Solve for x
x = 26,046.64/158.24 - Step 6: Final answer
x = 164.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.