Finding the Fourth Proportional to 283.08, 424.80 and 112.08
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Solution
The fourth proportional to 283.08, 424.80 and 112.08 is: 168.19
Step by Step Solution
- Step 1: Write the proportion equation
283.08 : 424.80 = 112.08 : x - Step 2: Convert to fraction form
283.08/424.80 = 112.08/x - Step 3: Cross multiply
283.08x = 424.80 × 112.08 - Step 4: Simplify right side
283.08x = 47,611.58 - Step 5: Solve for x
x = 47,611.58/283.08 - Step 6: Final answer
x = 168.19
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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.