Finding the Fourth Proportional to 149.73, 224.26 and 84.58
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Solution
The fourth proportional to 149.73, 224.26 and 84.58 is: 126.68
Step by Step Solution
- Step 1: Write the proportion equation
149.73 : 224.26 = 84.58 : x - Step 2: Convert to fraction form
149.73/224.26 = 84.58/x - Step 3: Cross multiply
149.73x = 224.26 × 84.58 - Step 4: Simplify right side
149.73x = 18,967.91 - Step 5: Solve for x
x = 18,967.91/149.73 - Step 6: Final answer
x = 126.68
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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.