Finding the Fourth Proportional to 864.99, 1,297.08 and 344.79
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Solution
The fourth proportional to 864.99, 1,297.08 and 344.79 is: 517.02
Step by Step Solution
- Step 1: Write the proportion equation
864.99 : 1,297.08 = 344.79 : x - Step 2: Convert to fraction form
864.99/1,297.08 = 344.79/x - Step 3: Cross multiply
864.99x = 1,297.08 × 344.79 - Step 4: Simplify right side
864.99x = 447,220.21 - Step 5: Solve for x
x = 447,220.21/864.99 - Step 6: Final answer
x = 517.02
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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.