Finding the Fourth Proportional to 400.74, 552.99 and 234.93
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Solution
The fourth proportional to 400.74, 552.99 and 234.93 is: 324.19
Step by Step Solution
- Step 1: Write the proportion equation
400.74 : 552.99 = 234.93 : x - Step 2: Convert to fraction form
400.74/552.99 = 234.93/x - Step 3: Cross multiply
400.74x = 552.99 × 234.93 - Step 4: Simplify right side
400.74x = 129,913.94 - Step 5: Solve for x
x = 129,913.94/400.74 - Step 6: Final answer
x = 324.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.