Finding the Fourth Proportional to 375.36, 561.84 and 201.78
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Solution
The fourth proportional to 375.36, 561.84 and 201.78 is: 302.02
Step by Step Solution
- Step 1: Write the proportion equation
375.36 : 561.84 = 201.78 : x - Step 2: Convert to fraction form
375.36/561.84 = 201.78/x - Step 3: Cross multiply
375.36x = 561.84 × 201.78 - Step 4: Simplify right side
375.36x = 113,368.08 - Step 5: Solve for x
x = 113,368.08/375.36 - Step 6: Final answer
x = 302.02
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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.