Finding the Fourth Proportional to 202.99, 304.44 and 72.97
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Solution
The fourth proportional to 202.99, 304.44 and 72.97 is: 109.44
Step by Step Solution
- Step 1: Write the proportion equation
202.99 : 304.44 = 72.97 : x - Step 2: Convert to fraction form
202.99/304.44 = 72.97/x - Step 3: Cross multiply
202.99x = 304.44 × 72.97 - Step 4: Simplify right side
202.99x = 22,214.99 - Step 5: Solve for x
x = 22,214.99/202.99 - Step 6: Final answer
x = 109.44
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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.