Finding the Fourth Proportional to 344.74, 517.14 and 207.88
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Solution
The fourth proportional to 344.74, 517.14 and 207.88 is: 311.84
Step by Step Solution
- Step 1: Write the proportion equation
344.74 : 517.14 = 207.88 : x - Step 2: Convert to fraction form
344.74/517.14 = 207.88/x - Step 3: Cross multiply
344.74x = 517.14 × 207.88 - Step 4: Simplify right side
344.74x = 107,503.06 - Step 5: Solve for x
x = 107,503.06/344.74 - Step 6: Final answer
x = 311.84
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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.