Finding the Fourth Proportional to 202.03, 302.99 and 73.75
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Solution
The fourth proportional to 202.03, 302.99 and 73.75 is: 110.60
Step by Step Solution
- Step 1: Write the proportion equation
202.03 : 302.99 = 73.75 : x - Step 2: Convert to fraction form
202.03/302.99 = 73.75/x - Step 3: Cross multiply
202.03x = 302.99 × 73.75 - Step 4: Simplify right side
202.03x = 22,345.14 - Step 5: Solve for x
x = 22,345.14/202.03 - Step 6: Final answer
x = 110.60
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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.