Finding the Fourth Proportional to 202.75, 304.08 and 93.06
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Solution
The fourth proportional to 202.75, 304.08 and 93.06 is: 139.57
Step by Step Solution
- Step 1: Write the proportion equation
202.75 : 304.08 = 93.06 : x - Step 2: Convert to fraction form
202.75/304.08 = 93.06/x - Step 3: Cross multiply
202.75x = 304.08 × 93.06 - Step 4: Simplify right side
202.75x = 28,297.68 - Step 5: Solve for x
x = 28,297.68/202.75 - Step 6: Final answer
x = 139.57
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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.