Finding the Fourth Proportional to 303.29, 454.99 and 97.91
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Solution
The fourth proportional to 303.29, 454.99 and 97.91 is: 146.88
Step by Step Solution
- Step 1: Write the proportion equation
303.29 : 454.99 = 97.91 : x - Step 2: Convert to fraction form
303.29/454.99 = 97.91/x - Step 3: Cross multiply
303.29x = 454.99 × 97.91 - Step 4: Simplify right side
303.29x = 44,545.80 - Step 5: Solve for x
x = 44,545.80/303.29 - Step 6: Final answer
x = 146.88
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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.