Finding the Fourth Proportional to 157.53, 236.36 and 88.95
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Solution
The fourth proportional to 157.53, 236.36 and 88.95 is: 133.46
Step by Step Solution
- Step 1: Write the proportion equation
157.53 : 236.36 = 88.95 : x - Step 2: Convert to fraction form
157.53/236.36 = 88.95/x - Step 3: Cross multiply
157.53x = 236.36 × 88.95 - Step 4: Simplify right side
157.53x = 21,024.44 - Step 5: Solve for x
x = 21,024.44/157.53 - Step 6: Final answer
x = 133.46
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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.