Finding the Fourth Proportional to 202.99, 280.14 and 120.08
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Solution
The fourth proportional to 202.99, 280.14 and 120.08 is: 165.72
Step by Step Solution
- Step 1: Write the proportion equation
202.99 : 280.14 = 120.08 : x - Step 2: Convert to fraction form
202.99/280.14 = 120.08/x - Step 3: Cross multiply
202.99x = 280.14 × 120.08 - Step 4: Simplify right side
202.99x = 33,640.14 - Step 5: Solve for x
x = 33,640.14/202.99 - Step 6: Final answer
x = 165.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.