Finding the Fourth Proportional to 149.44, 205.99 and 124.84
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Solution
The fourth proportional to 149.44, 205.99 and 124.84 is: 172.07
Step by Step Solution
- Step 1: Write the proportion equation
149.44 : 205.99 = 124.84 : x - Step 2: Convert to fraction form
149.44/205.99 = 124.84/x - Step 3: Cross multiply
149.44x = 205.99 × 124.84 - Step 4: Simplify right side
149.44x = 25,714.76 - Step 5: Solve for x
x = 25,714.76/149.44 - Step 6: Final answer
x = 172.07
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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.