Finding the Fourth Proportional to 202.70, 303.93 and 125.70
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Solution
The fourth proportional to 202.70, 303.93 and 125.70 is: 188.48
Step by Step Solution
- Step 1: Write the proportion equation
202.70 : 303.93 = 125.70 : x - Step 2: Convert to fraction form
202.70/303.93 = 125.70/x - Step 3: Cross multiply
202.70x = 303.93 × 125.70 - Step 4: Simplify right side
202.70x = 38,204.00 - Step 5: Solve for x
x = 38,204.00/202.70 - Step 6: Final answer
x = 188.48
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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.