Finding the Fourth Proportional to 344.92, 517.62 and 152.44
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Solution
The fourth proportional to 344.92, 517.62 and 152.44 is: 228.77
Step by Step Solution
- Step 1: Write the proportion equation
344.92 : 517.62 = 152.44 : x - Step 2: Convert to fraction form
344.92/517.62 = 152.44/x - Step 3: Cross multiply
344.92x = 517.62 × 152.44 - Step 4: Simplify right side
344.92x = 78,905.99 - Step 5: Solve for x
x = 78,905.99/344.92 - Step 6: Final answer
x = 228.77
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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.