Finding the Fourth Proportional to 355.23, 534.94 and 310.11
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Solution
The fourth proportional to 355.23, 534.94 and 310.11 is: 466.99
Step by Step Solution
- Step 1: Write the proportion equation
355.23 : 534.94 = 310.11 : x - Step 2: Convert to fraction form
355.23/534.94 = 310.11/x - Step 3: Cross multiply
355.23x = 534.94 × 310.11 - Step 4: Simplify right side
355.23x = 165,890.24 - Step 5: Solve for x
x = 165,890.24/355.23 - Step 6: Final answer
x = 466.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.