Finding the Fourth Proportional to 364.18, 545.70 and 248.68
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Solution
The fourth proportional to 364.18, 545.70 and 248.68 is: 372.63
Step by Step Solution
- Step 1: Write the proportion equation
364.18 : 545.70 = 248.68 : x - Step 2: Convert to fraction form
364.18/545.70 = 248.68/x - Step 3: Cross multiply
364.18x = 545.70 × 248.68 - Step 4: Simplify right side
364.18x = 135,704.68 - Step 5: Solve for x
x = 135,704.68/364.18 - Step 6: Final answer
x = 372.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.