Finding the Fourth Proportional to 626.74, 939.93 and 193.75
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Solution
The fourth proportional to 626.74, 939.93 and 193.75 is: 290.57
Step by Step Solution
- Step 1: Write the proportion equation
626.74 : 939.93 = 193.75 : x - Step 2: Convert to fraction form
626.74/939.93 = 193.75/x - Step 3: Cross multiply
626.74x = 939.93 × 193.75 - Step 4: Simplify right side
626.74x = 182,111.44 - Step 5: Solve for x
x = 182,111.44/626.74 - Step 6: Final answer
x = 290.57
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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.