Finding the Fourth Proportional to 322.18, 444.32 and 259.99
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Solution
The fourth proportional to 322.18, 444.32 and 259.99 is: 358.55
Step by Step Solution
- Step 1: Write the proportion equation
322.18 : 444.32 = 259.99 : x - Step 2: Convert to fraction form
322.18/444.32 = 259.99/x - Step 3: Cross multiply
322.18x = 444.32 × 259.99 - Step 4: Simplify right side
322.18x = 115,515.24 - Step 5: Solve for x
x = 115,515.24/322.18 - Step 6: Final answer
x = 358.55
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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.