Finding the Fourth Proportional to 188.17, 281.98 and 115.99
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Solution
The fourth proportional to 188.17, 281.98 and 115.99 is: 173.82
Step by Step Solution
- Step 1: Write the proportion equation
188.17 : 281.98 = 115.99 : x - Step 2: Convert to fraction form
188.17/281.98 = 115.99/x - Step 3: Cross multiply
188.17x = 281.98 × 115.99 - Step 4: Simplify right side
188.17x = 32,706.86 - Step 5: Solve for x
x = 32,706.86/188.17 - Step 6: Final answer
x = 173.82
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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.