Finding the Fourth Proportional to 157.36, 235.88 and 88.80
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Solution
The fourth proportional to 157.36, 235.88 and 88.80 is: 133.11
Step by Step Solution
- Step 1: Write the proportion equation
157.36 : 235.88 = 88.80 : x - Step 2: Convert to fraction form
157.36/235.88 = 88.80/x - Step 3: Cross multiply
157.36x = 235.88 × 88.80 - Step 4: Simplify right side
157.36x = 20,946.14 - Step 5: Solve for x
x = 20,946.14/157.36 - Step 6: Final answer
x = 133.11
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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.