Finding the Fourth Proportional to 251.51, 347.08 and 140.99
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Solution
The fourth proportional to 251.51, 347.08 and 140.99 is: 194.56
Step by Step Solution
- Step 1: Write the proportion equation
251.51 : 347.08 = 140.99 : x - Step 2: Convert to fraction form
251.51/347.08 = 140.99/x - Step 3: Cross multiply
251.51x = 347.08 × 140.99 - Step 4: Simplify right side
251.51x = 48,934.81 - Step 5: Solve for x
x = 48,934.81/251.51 - Step 6: Final answer
x = 194.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.