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Finding the Fourth Proportional to 342.46, 471.10 and 300.26

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Solution

The fourth proportional to 342.46, 471.10 and 300.26 is: 413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.46 : 471.10 = 300.26 : x
  2. Step 2: Convert to fraction form
    342.46/471.10 = 300.26/x
  3. Step 3: Cross multiply
    342.46x = 471.10 × 300.26
  4. Step 4: Simplify right side
    342.46x = 141,450.19
  5. Step 5: Solve for x
    x = 141,450.19/342.46
  6. Step 6: Final answer
    x = 413.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.