Finding the Fourth Proportional to 572.44, 858.62 and 283.88
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Solution
The fourth proportional to 572.44, 858.62 and 283.88 is: 425.80
Step by Step Solution
- Step 1: Write the proportion equation
572.44 : 858.62 = 283.88 : x - Step 2: Convert to fraction form
572.44/858.62 = 283.88/x - Step 3: Cross multiply
572.44x = 858.62 × 283.88 - Step 4: Simplify right side
572.44x = 243,745.05 - Step 5: Solve for x
x = 243,745.05/572.44 - Step 6: Final answer
x = 425.80
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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.