Finding the Fourth Proportional to 368.08, 508.08 and 324.88
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Solution
The fourth proportional to 368.08, 508.08 and 324.88 is: 448.45
Step by Step Solution
- Step 1: Write the proportion equation
368.08 : 508.08 = 324.88 : x - Step 2: Convert to fraction form
368.08/508.08 = 324.88/x - Step 3: Cross multiply
368.08x = 508.08 × 324.88 - Step 4: Simplify right side
368.08x = 165,065.03 - Step 5: Solve for x
x = 165,065.03/368.08 - Step 6: Final answer
x = 448.45
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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.