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Finding the Fourth Proportional to 509.22, 701.08 and 452.94

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Solution

The fourth proportional to 509.22, 701.08 and 452.94 is: 623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    509.22 : 701.08 = 452.94 : x
  2. Step 2: Convert to fraction form
    509.22/701.08 = 452.94/x
  3. Step 3: Cross multiply
    509.22x = 701.08 × 452.94
  4. Step 4: Simplify right side
    509.22x = 317,542.54
  5. Step 5: Solve for x
    x = 317,542.54/509.22
  6. Step 6: Final answer
    x = 623.59

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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.