Finding the Fourth Proportional to 56.12, 84.14 and 40.08
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Solution
The fourth proportional to 56.12, 84.14 and 40.08 is: 60.09
Step by Step Solution
- Step 1: Write the proportion equation
56.12 : 84.14 = 40.08 : x - Step 2: Convert to fraction form
56.12/84.14 = 40.08/x - Step 3: Cross multiply
56.12x = 84.14 × 40.08 - Step 4: Simplify right side
56.12x = 3,372.33 - Step 5: Solve for x
x = 3,372.33/56.12 - Step 6: Final answer
x = 60.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.