Finding the Fourth Proportional to 251.99, 347.68 and 147.06
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Solution
The fourth proportional to 251.99, 347.68 and 147.06 is: 202.90
Step by Step Solution
- Step 1: Write the proportion equation
251.99 : 347.68 = 147.06 : x - Step 2: Convert to fraction form
251.99/347.68 = 147.06/x - Step 3: Cross multiply
251.99x = 347.68 × 147.06 - Step 4: Simplify right side
251.99x = 51,129.82 - Step 5: Solve for x
x = 51,129.82/251.99 - Step 6: Final answer
x = 202.90
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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.