Finding the Fourth Proportional to 283.63, 424.93 and 247.18
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Solution
The fourth proportional to 283.63, 424.93 and 247.18 is: 370.32
Step by Step Solution
- Step 1: Write the proportion equation
283.63 : 424.93 = 247.18 : x - Step 2: Convert to fraction form
283.63/424.93 = 247.18/x - Step 3: Cross multiply
283.63x = 424.93 × 247.18 - Step 4: Simplify right side
283.63x = 105,032.06 - Step 5: Solve for x
x = 105,032.06/283.63 - Step 6: Final answer
x = 370.32
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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.