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Finding the Fourth Proportional to 541.14, 744.83 and 479.22

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Solution

The fourth proportional to 541.14, 744.83 and 479.22 is: 659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.14 : 744.83 = 479.22 : x
  2. Step 2: Convert to fraction form
    541.14/744.83 = 479.22/x
  3. Step 3: Cross multiply
    541.14x = 744.83 × 479.22
  4. Step 4: Simplify right side
    541.14x = 356,937.43
  5. Step 5: Solve for x
    x = 356,937.43/541.14
  6. Step 6: Final answer
    x = 659.60

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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.