Finding the Fourth Proportional to 160.18, 221.03 and 97.99
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Solution
The fourth proportional to 160.18, 221.03 and 97.99 is: 135.21
Step by Step Solution
- Step 1: Write the proportion equation
160.18 : 221.03 = 97.99 : x - Step 2: Convert to fraction form
160.18/221.03 = 97.99/x - Step 3: Cross multiply
160.18x = 221.03 × 97.99 - Step 4: Simplify right side
160.18x = 21,657.62 - Step 5: Solve for x
x = 21,657.62/160.18 - Step 6: Final answer
x = 135.21
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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.