Finding the Fourth Proportional to 372.99, 559.50 and 141.99
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Solution
The fourth proportional to 372.99, 559.50 and 141.99 is: 212.99
Step by Step Solution
- Step 1: Write the proportion equation
372.99 : 559.50 = 141.99 : x - Step 2: Convert to fraction form
372.99/559.50 = 141.99/x - Step 3: Cross multiply
372.99x = 559.50 × 141.99 - Step 4: Simplify right side
372.99x = 79,442.87 - Step 5: Solve for x
x = 79,442.87/372.99 - Step 6: Final answer
x = 212.99
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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.