Finding the Fourth Proportional to 48.34, 72.66 and 44.99
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Solution
The fourth proportional to 48.34, 72.66 and 44.99 is: 67.64
Step by Step Solution
- Step 1: Write the proportion equation
48.34 : 72.66 = 44.99 : x - Step 2: Convert to fraction form
48.34/72.66 = 44.99/x - Step 3: Cross multiply
48.34x = 72.66 × 44.99 - Step 4: Simplify right side
48.34x = 3,269.21 - Step 5: Solve for x
x = 3,269.21/48.34 - Step 6: Final answer
x = 67.64
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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.