Finding the Fourth Proportional to 560.79, 841.19 and 417.42
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Solution
The fourth proportional to 560.79, 841.19 and 417.42 is: 626.13
Step by Step Solution
- Step 1: Write the proportion equation
560.79 : 841.19 = 417.42 : x - Step 2: Convert to fraction form
560.79/841.19 = 417.42/x - Step 3: Cross multiply
560.79x = 841.19 × 417.42 - Step 4: Simplify right side
560.79x = 351,127.44 - Step 5: Solve for x
x = 351,127.44/560.79 - Step 6: Final answer
x = 626.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.