Finding the Fourth Proportional to 402.99, 556.11 and 234.93
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Solution
The fourth proportional to 402.99, 556.11 and 234.93 is: 324.19
Step by Step Solution
- Step 1: Write the proportion equation
402.99 : 556.11 = 234.93 : x - Step 2: Convert to fraction form
402.99/556.11 = 234.93/x - Step 3: Cross multiply
402.99x = 556.11 × 234.93 - Step 4: Simplify right side
402.99x = 130,644.73 - Step 5: Solve for x
x = 130,644.73/402.99 - 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.