Finding the Fourth Proportional to 339.21, 508.97 and 194.93
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Solution
The fourth proportional to 339.21, 508.97 and 194.93 is: 292.48
Step by Step Solution
- Step 1: Write the proportion equation
339.21 : 508.97 = 194.93 : x - Step 2: Convert to fraction form
339.21/508.97 = 194.93/x - Step 3: Cross multiply
339.21x = 508.97 × 194.93 - Step 4: Simplify right side
339.21x = 99,213.52 - Step 5: Solve for x
x = 99,213.52/339.21 - Step 6: Final answer
x = 292.48
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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.