Finding the Fourth Proportional to 368.44, 508.44 and 202.65
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Solution
The fourth proportional to 368.44, 508.44 and 202.65 is: 279.65
Step by Step Solution
- Step 1: Write the proportion equation
368.44 : 508.44 = 202.65 : x - Step 2: Convert to fraction form
368.44/508.44 = 202.65/x - Step 3: Cross multiply
368.44x = 508.44 × 202.65 - Step 4: Simplify right side
368.44x = 103,035.37 - Step 5: Solve for x
x = 103,035.37/368.44 - Step 6: Final answer
x = 279.65
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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.