Finding the Fourth Proportional to 258.21, 356.08 and 175.44
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Solution
The fourth proportional to 258.21, 356.08 and 175.44 is: 241.94
Step by Step Solution
- Step 1: Write the proportion equation
258.21 : 356.08 = 175.44 : x - Step 2: Convert to fraction form
258.21/356.08 = 175.44/x - Step 3: Cross multiply
258.21x = 356.08 × 175.44 - Step 4: Simplify right side
258.21x = 62,470.68 - Step 5: Solve for x
x = 62,470.68/258.21 - Step 6: Final answer
x = 241.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.