Finding the Fourth Proportional to 424.99, 637.49 and 370.99
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Solution
The fourth proportional to 424.99, 637.49 and 370.99 is: 556.49
Step by Step Solution
- Step 1: Write the proportion equation
424.99 : 637.49 = 370.99 : x - Step 2: Convert to fraction form
424.99/637.49 = 370.99/x - Step 3: Cross multiply
424.99x = 637.49 × 370.99 - Step 4: Simplify right side
424.99x = 236,502.42 - Step 5: Solve for x
x = 236,502.42/424.99 - Step 6: Final answer
x = 556.49
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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.