Finding the Fourth Proportional to 349.99, 482.91 and 297.74
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Solution
The fourth proportional to 349.99, 482.91 and 297.74 is: 410.82
Step by Step Solution
- Step 1: Write the proportion equation
349.99 : 482.91 = 297.74 : x - Step 2: Convert to fraction form
349.99/482.91 = 297.74/x - Step 3: Cross multiply
349.99x = 482.91 × 297.74 - Step 4: Simplify right side
349.99x = 143,781.62 - Step 5: Solve for x
x = 143,781.62/349.99 - Step 6: Final answer
x = 410.82
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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.