Finding the Fourth Proportional to 56.24, 84.18 and 48.98
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Solution
The fourth proportional to 56.24, 84.18 and 48.98 is: 73.31
Step by Step Solution
- Step 1: Write the proportion equation
56.24 : 84.18 = 48.98 : x - Step 2: Convert to fraction form
56.24/84.18 = 48.98/x - Step 3: Cross multiply
56.24x = 84.18 × 48.98 - Step 4: Simplify right side
56.24x = 4,123.14 - Step 5: Solve for x
x = 4,123.14/56.24 - Step 6: Final answer
x = 73.31
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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.