Finding the Fourth Proportional to 328.99, 493.33 and 97.87
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Solution
The fourth proportional to 328.99, 493.33 and 97.87 is: 146.76
Step by Step Solution
- Step 1: Write the proportion equation
328.99 : 493.33 = 97.87 : x - Step 2: Convert to fraction form
328.99/493.33 = 97.87/x - Step 3: Cross multiply
328.99x = 493.33 × 97.87 - Step 4: Simplify right side
328.99x = 48,282.21 - Step 5: Solve for x
x = 48,282.21/328.99 - Step 6: Final answer
x = 146.76
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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.