Finding the Fourth Proportional to 202.44, 303.14 and 140.65
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Solution
The fourth proportional to 202.44, 303.14 and 140.65 is: 210.61
Step by Step Solution
- Step 1: Write the proportion equation
202.44 : 303.14 = 140.65 : x - Step 2: Convert to fraction form
202.44/303.14 = 140.65/x - Step 3: Cross multiply
202.44x = 303.14 × 140.65 - Step 4: Simplify right side
202.44x = 42,636.84 - Step 5: Solve for x
x = 42,636.84/202.44 - Step 6: Final answer
x = 210.61
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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.