Finding the Fourth Proportional to 202.42, 303.63 and 58.14
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Solution
The fourth proportional to 202.42, 303.63 and 58.14 is: 87.20
Step by Step Solution
- Step 1: Write the proportion equation
202.42 : 303.63 = 58.14 : x - Step 2: Convert to fraction form
202.42/303.63 = 58.14/x - Step 3: Cross multiply
202.42x = 303.63 × 58.14 - Step 4: Simplify right side
202.42x = 17,651.24 - Step 5: Solve for x
x = 17,651.24/202.42 - Step 6: Final answer
x = 87.20
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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.