Finding the Fourth Proportional to 637.74, 955.68 and 344.99
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Solution
The fourth proportional to 637.74, 955.68 and 344.99 is: 516.99
Step by Step Solution
- Step 1: Write the proportion equation
637.74 : 955.68 = 344.99 : x - Step 2: Convert to fraction form
637.74/955.68 = 344.99/x - Step 3: Cross multiply
637.74x = 955.68 × 344.99 - Step 4: Simplify right side
637.74x = 329,703.08 - Step 5: Solve for x
x = 329,703.08/637.74 - Step 6: Final answer
x = 516.99
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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.