Finding the Fourth Proportional to 316.84, 437.20 and 233.99
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Solution
The fourth proportional to 316.84, 437.20 and 233.99 is: 322.88
Step by Step Solution
- Step 1: Write the proportion equation
316.84 : 437.20 = 233.99 : x - Step 2: Convert to fraction form
316.84/437.20 = 233.99/x - Step 3: Cross multiply
316.84x = 437.20 × 233.99 - Step 4: Simplify right side
316.84x = 102,298.24 - Step 5: Solve for x
x = 102,298.24/316.84 - Step 6: Final answer
x = 322.88
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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.