Finding the Fourth Proportional to 397.98, 549.37 and 250.59
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Solution
The fourth proportional to 397.98, 549.37 and 250.59 is: 345.90
Step by Step Solution
- Step 1: Write the proportion equation
397.98 : 549.37 = 250.59 : x - Step 2: Convert to fraction form
397.98/549.37 = 250.59/x - Step 3: Cross multiply
397.98x = 549.37 × 250.59 - Step 4: Simplify right side
397.98x = 137,663.25 - Step 5: Solve for x
x = 137,663.25/397.98 - Step 6: Final answer
x = 345.90
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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.