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Finding the Fourth Proportional to 479.50, 718.32 and 376.24

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Solution

The fourth proportional to 479.50, 718.32 and 376.24 is: 563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.50 : 718.32 = 376.24 : x
  2. Step 2: Convert to fraction form
    479.50/718.32 = 376.24/x
  3. Step 3: Cross multiply
    479.50x = 718.32 × 376.24
  4. Step 4: Simplify right side
    479.50x = 270,260.72
  5. Step 5: Solve for x
    x = 270,260.72/479.50
  6. Step 6: Final answer
    x = 563.63

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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.