Finding the Fourth Proportional to 347.22, 520.97 and 130.68
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Solution
The fourth proportional to 347.22, 520.97 and 130.68 is: 196.07
Step by Step Solution
- Step 1: Write the proportion equation
347.22 : 520.97 = 130.68 : x - Step 2: Convert to fraction form
347.22/520.97 = 130.68/x - Step 3: Cross multiply
347.22x = 520.97 × 130.68 - Step 4: Simplify right side
347.22x = 68,079.71 - Step 5: Solve for x
x = 68,079.71/347.22 - Step 6: Final answer
x = 196.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.