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Finding the Fourth Proportional to 603.41, 904.37 and 343.63

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Solution

The fourth proportional to 603.41, 904.37 and 343.63 is: 515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.41 : 904.37 = 343.63 : x
  2. Step 2: Convert to fraction form
    603.41/904.37 = 343.63/x
  3. Step 3: Cross multiply
    603.41x = 904.37 × 343.63
  4. Step 4: Simplify right side
    603.41x = 310,764.68
  5. Step 5: Solve for x
    x = 310,764.68/603.41
  6. Step 6: Final answer
    x = 515.02

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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.