Finding the Fourth Proportional to 368.83, 508.99 and 203.05
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Solution
The fourth proportional to 368.83, 508.99 and 203.05 is: 280.21
Step by Step Solution
- Step 1: Write the proportion equation
368.83 : 508.99 = 203.05 : x - Step 2: Convert to fraction form
368.83/508.99 = 203.05/x - Step 3: Cross multiply
368.83x = 508.99 × 203.05 - Step 4: Simplify right side
368.83x = 103,348.26 - Step 5: Solve for x
x = 103,348.26/368.83 - Step 6: Final answer
x = 280.21
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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.