Finding the Fourth Proportional to 368.26, 508.08 and 251.62
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Solution
The fourth proportional to 368.26, 508.08 and 251.62 is: 347.15
Step by Step Solution
- Step 1: Write the proportion equation
368.26 : 508.08 = 251.62 : x - Step 2: Convert to fraction form
368.26/508.08 = 251.62/x - Step 3: Cross multiply
368.26x = 508.08 × 251.62 - Step 4: Simplify right side
368.26x = 127,843.09 - Step 5: Solve for x
x = 127,843.09/368.26 - Step 6: Final answer
x = 347.15
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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.