Finding the Fourth Proportional to 447, 616.83 and 247.83
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Solution
The fourth proportional to 447, 616.83 and 247.83 is: 341.99
Step by Step Solution
- Step 1: Write the proportion equation
447 : 616.83 = 247.83 : x - Step 2: Convert to fraction form
447/616.83 = 247.83/x - Step 3: Cross multiply
447x = 616.83 × 247.83 - Step 4: Simplify right side
447x = 152,868.98 - Step 5: Solve for x
x = 152,868.98/447 - Step 6: Final answer
x = 341.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.