Finding the Fourth Proportional to 202.36, 303.28 and 74.08
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Solution
The fourth proportional to 202.36, 303.28 and 74.08 is: 111.02
Step by Step Solution
- Step 1: Write the proportion equation
202.36 : 303.28 = 74.08 : x - Step 2: Convert to fraction form
202.36/303.28 = 74.08/x - Step 3: Cross multiply
202.36x = 303.28 × 74.08 - Step 4: Simplify right side
202.36x = 22,466.98 - Step 5: Solve for x
x = 22,466.98/202.36 - Step 6: Final answer
x = 111.02
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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.