Finding the Fourth Proportional to 202.20, 302.88 and 94.08
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Solution
The fourth proportional to 202.20, 302.88 and 94.08 is: 140.92
Step by Step Solution
- Step 1: Write the proportion equation
202.20 : 302.88 = 94.08 : x - Step 2: Convert to fraction form
202.20/302.88 = 94.08/x - Step 3: Cross multiply
202.20x = 302.88 × 94.08 - Step 4: Simplify right side
202.20x = 28,494.95 - Step 5: Solve for x
x = 28,494.95/202.20 - Step 6: Final answer
x = 140.92
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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.