Finding the Fourth Proportional to 202.08, 303.11 and 93.81
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Solution
The fourth proportional to 202.08, 303.11 and 93.81 is: 140.71
Step by Step Solution
- Step 1: Write the proportion equation
202.08 : 303.11 = 93.81 : x - Step 2: Convert to fraction form
202.08/303.11 = 93.81/x - Step 3: Cross multiply
202.08x = 303.11 × 93.81 - Step 4: Simplify right side
202.08x = 28,434.75 - Step 5: Solve for x
x = 28,434.75/202.08 - Step 6: Final answer
x = 140.71
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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.