Finding the Fourth Proportional to 381.63, 572.44 and 93.06
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Solution
The fourth proportional to 381.63, 572.44 and 93.06 is: 139.59
Step by Step Solution
- Step 1: Write the proportion equation
381.63 : 572.44 = 93.06 : x - Step 2: Convert to fraction form
381.63/572.44 = 93.06/x - Step 3: Cross multiply
381.63x = 572.44 × 93.06 - Step 4: Simplify right side
381.63x = 53,272.93 - Step 5: Solve for x
x = 53,272.93/381.63 - Step 6: Final answer
x = 139.59
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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.