Finding the Fourth Proportional to 202.99, 303.93 and 134.55
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Solution
The fourth proportional to 202.99, 303.93 and 134.55 is: 201.46
Step by Step Solution
- Step 1: Write the proportion equation
202.99 : 303.93 = 134.55 : x - Step 2: Convert to fraction form
202.99/303.93 = 134.55/x - Step 3: Cross multiply
202.99x = 303.93 × 134.55 - Step 4: Simplify right side
202.99x = 40,893.78 - Step 5: Solve for x
x = 40,893.78/202.99 - Step 6: Final answer
x = 201.46
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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.