Finding the Fourth Proportional to 446.31, 668.97 and 157.68
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Solution
The fourth proportional to 446.31, 668.97 and 157.68 is: 236.35
Step by Step Solution
- Step 1: Write the proportion equation
446.31 : 668.97 = 157.68 : x - Step 2: Convert to fraction form
446.31/668.97 = 157.68/x - Step 3: Cross multiply
446.31x = 668.97 × 157.68 - Step 4: Simplify right side
446.31x = 105,483.19 - Step 5: Solve for x
x = 105,483.19/446.31 - Step 6: Final answer
x = 236.35
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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.