Finding the Fourth Proportional to 157.93, 236.24 and 135.94
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Solution
The fourth proportional to 157.93, 236.24 and 135.94 is: 203.35
Step by Step Solution
- Step 1: Write the proportion equation
157.93 : 236.24 = 135.94 : x - Step 2: Convert to fraction form
157.93/236.24 = 135.94/x - Step 3: Cross multiply
157.93x = 236.24 × 135.94 - Step 4: Simplify right side
157.93x = 32,114.21 - Step 5: Solve for x
x = 32,114.21/157.93 - Step 6: Final answer
x = 203.35
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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.