Finding the Fourth Proportional to 141.14, 211.44 and 108.74
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Solution
The fourth proportional to 141.14, 211.44 and 108.74 is: 162.90
Step by Step Solution
- Step 1: Write the proportion equation
141.14 : 211.44 = 108.74 : x - Step 2: Convert to fraction form
141.14/211.44 = 108.74/x - Step 3: Cross multiply
141.14x = 211.44 × 108.74 - Step 4: Simplify right side
141.14x = 22,991.99 - Step 5: Solve for x
x = 22,991.99/141.14 - Step 6: Final answer
x = 162.90
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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.