Finding the Fourth Proportional to 56.56, 84.36 and 52.96
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Solution
The fourth proportional to 56.56, 84.36 and 52.96 is: 78.99
Step by Step Solution
- Step 1: Write the proportion equation
56.56 : 84.36 = 52.96 : x - Step 2: Convert to fraction form
56.56/84.36 = 52.96/x - Step 3: Cross multiply
56.56x = 84.36 × 52.96 - Step 4: Simplify right side
56.56x = 4,467.71 - Step 5: Solve for x
x = 4,467.71/56.56 - Step 6: Final answer
x = 78.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.