Finding the Fourth Proportional to 202.13, 303.30 and 93.93
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Solution
The fourth proportional to 202.13, 303.30 and 93.93 is: 140.94
Step by Step Solution
- Step 1: Write the proportion equation
202.13 : 303.30 = 93.93 : x - Step 2: Convert to fraction form
202.13/303.30 = 93.93/x - Step 3: Cross multiply
202.13x = 303.30 × 93.93 - Step 4: Simplify right side
202.13x = 28,488.97 - Step 5: Solve for x
x = 28,488.97/202.13 - Step 6: Final answer
x = 140.94
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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.