Finding the Fourth Proportional to 368.87, 508.21 and 237.65
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Solution
The fourth proportional to 368.87, 508.21 and 237.65 is: 327.42
Step by Step Solution
- Step 1: Write the proportion equation
368.87 : 508.21 = 237.65 : x - Step 2: Convert to fraction form
368.87/508.21 = 237.65/x - Step 3: Cross multiply
368.87x = 508.21 × 237.65 - Step 4: Simplify right side
368.87x = 120,772.97 - Step 5: Solve for x
x = 120,772.97/368.87 - Step 6: Final answer
x = 327.42
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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.