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Finding the Fourth Proportional to 599.58, 827.37 and 378.72

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Solution

The fourth proportional to 599.58, 827.37 and 378.72 is: 522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.58 : 827.37 = 378.72 : x
  2. Step 2: Convert to fraction form
    599.58/827.37 = 378.72/x
  3. Step 3: Cross multiply
    599.58x = 827.37 × 378.72
  4. Step 4: Simplify right side
    599.58x = 313,341.57
  5. Step 5: Solve for x
    x = 313,341.57/599.58
  6. Step 6: Final answer
    x = 522.60

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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.