Finding the Fourth Proportional to 118.98, 163.99 and 114.42
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Solution
The fourth proportional to 118.98, 163.99 and 114.42 is: 157.70
Step by Step Solution
- Step 1: Write the proportion equation
118.98 : 163.99 = 114.42 : x - Step 2: Convert to fraction form
118.98/163.99 = 114.42/x - Step 3: Cross multiply
118.98x = 163.99 × 114.42 - Step 4: Simplify right side
118.98x = 18,763.74 - Step 5: Solve for x
x = 18,763.74/118.98 - Step 6: Final answer
x = 157.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.