Finding the Fourth Proportional to 344.70, 509.67 and 344.70
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Solution
The fourth proportional to 344.70, 509.67 and 344.70 is: 509.67
Step by Step Solution
- Step 1: Write the proportion equation
344.70 : 509.67 = 344.70 : x - Step 2: Convert to fraction form
344.70/509.67 = 344.70/x - Step 3: Cross multiply
344.70x = 509.67 × 344.70 - Step 4: Simplify right side
344.70x = 175,683.25 - Step 5: Solve for x
x = 175,683.25/344.70 - Step 6: Final answer
x = 509.67
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.