Finding the Fourth Proportional to 368.75, 509.10 and 237.99
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Solution
The fourth proportional to 368.75, 509.10 and 237.99 is: 328.57
Step by Step Solution
- Step 1: Write the proportion equation
368.75 : 509.10 = 237.99 : x - Step 2: Convert to fraction form
368.75/509.10 = 237.99/x - Step 3: Cross multiply
368.75x = 509.10 × 237.99 - Step 4: Simplify right side
368.75x = 121,160.71 - Step 5: Solve for x
x = 121,160.71/368.75 - Step 6: Final answer
x = 328.57
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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.