Finding the Fourth Proportional to 446.40, 669.06 and 202.74
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Solution
The fourth proportional to 446.40, 669.06 and 202.74 is: 303.86
Step by Step Solution
- Step 1: Write the proportion equation
446.40 : 669.06 = 202.74 : x - Step 2: Convert to fraction form
446.40/669.06 = 202.74/x - Step 3: Cross multiply
446.40x = 669.06 × 202.74 - Step 4: Simplify right side
446.40x = 135,645.22 - Step 5: Solve for x
x = 135,645.22/446.40 - Step 6: Final answer
x = 303.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.