Finding the Fourth Proportional to 170.55, 235.22 and 126.99
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Solution
The fourth proportional to 170.55, 235.22 and 126.99 is: 175.14
Step by Step Solution
- Step 1: Write the proportion equation
170.55 : 235.22 = 126.99 : x - Step 2: Convert to fraction form
170.55/235.22 = 126.99/x - Step 3: Cross multiply
170.55x = 235.22 × 126.99 - Step 4: Simplify right side
170.55x = 29,869.95 - Step 5: Solve for x
x = 29,869.95/170.55 - Step 6: Final answer
x = 175.14
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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.