Finding the Fourth Proportional to 347.19, 479.08 and 207.28
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Solution
The fourth proportional to 347.19, 479.08 and 207.28 is: 286.03
Step by Step Solution
- Step 1: Write the proportion equation
347.19 : 479.08 = 207.28 : x - Step 2: Convert to fraction form
347.19/479.08 = 207.28/x - Step 3: Cross multiply
347.19x = 479.08 × 207.28 - Step 4: Simplify right side
347.19x = 99,305.03 - Step 5: Solve for x
x = 99,305.03/347.19 - Step 6: Final answer
x = 286.03
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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.