Finding the Fourth Proportional to 258.39, 354.44 and 252.99
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Solution
The fourth proportional to 258.39, 354.44 and 252.99 is: 347.04
Step by Step Solution
- Step 1: Write the proportion equation
258.39 : 354.44 = 252.99 : x - Step 2: Convert to fraction form
258.39/354.44 = 252.99/x - Step 3: Cross multiply
258.39x = 354.44 × 252.99 - Step 4: Simplify right side
258.39x = 89,670.41 - Step 5: Solve for x
x = 89,670.41/258.39 - Step 6: Final answer
x = 347.04
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.