Finding the Fourth Proportional to 631.99, 948.18 and 324.06
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Solution
The fourth proportional to 631.99, 948.18 and 324.06 is: 486.19
Step by Step Solution
- Step 1: Write the proportion equation
631.99 : 948.18 = 324.06 : x - Step 2: Convert to fraction form
631.99/948.18 = 324.06/x - Step 3: Cross multiply
631.99x = 948.18 × 324.06 - Step 4: Simplify right side
631.99x = 307,267.21 - Step 5: Solve for x
x = 307,267.21/631.99 - Step 6: Final answer
x = 486.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.