Finding the Fourth Proportional to 418.19, 626.93 and 201.92
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Solution
The fourth proportional to 418.19, 626.93 and 201.92 is: 302.71
Step by Step Solution
- Step 1: Write the proportion equation
418.19 : 626.93 = 201.92 : x - Step 2: Convert to fraction form
418.19/626.93 = 201.92/x - Step 3: Cross multiply
418.19x = 626.93 × 201.92 - Step 4: Simplify right side
418.19x = 126,588.70 - Step 5: Solve for x
x = 126,588.70/418.19 - Step 6: Final answer
x = 302.71
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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.