Finding the Fourth Proportional to 170.11, 254.99 and 88.78
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Solution
The fourth proportional to 170.11, 254.99 and 88.78 is: 133.08
Step by Step Solution
- Step 1: Write the proportion equation
170.11 : 254.99 = 88.78 : x - Step 2: Convert to fraction form
170.11/254.99 = 88.78/x - Step 3: Cross multiply
170.11x = 254.99 × 88.78 - Step 4: Simplify right side
170.11x = 22,636.74 - Step 5: Solve for x
x = 22,636.74/170.11 - Step 6: Final answer
x = 133.08
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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.