Finding the Fourth Proportional to 349.92, 482.99 and 202.65
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Solution
The fourth proportional to 349.92, 482.99 and 202.65 is: 279.71
Step by Step Solution
- Step 1: Write the proportion equation
349.92 : 482.99 = 202.65 : x - Step 2: Convert to fraction form
349.92/482.99 = 202.65/x - Step 3: Cross multiply
349.92x = 482.99 × 202.65 - Step 4: Simplify right side
349.92x = 97,876.91 - Step 5: Solve for x
x = 97,876.91/349.92 - Step 6: Final answer
x = 279.71
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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.