Finding the Fourth Proportional to 349.61, 482.44 and 202.23
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Solution
The fourth proportional to 349.61, 482.44 and 202.23 is: 279.06
Step by Step Solution
- Step 1: Write the proportion equation
349.61 : 482.44 = 202.23 : x - Step 2: Convert to fraction form
349.61/482.44 = 202.23/x - Step 3: Cross multiply
349.61x = 482.44 × 202.23 - Step 4: Simplify right side
349.61x = 97,563.84 - Step 5: Solve for x
x = 97,563.84/349.61 - Step 6: Final answer
x = 279.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.