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Finding the Fourth Proportional to 504.63, 757.31 and 474.39

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Solution

The fourth proportional to 504.63, 757.31 and 474.39 is: 711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.63 : 757.31 = 474.39 : x
  2. Step 2: Convert to fraction form
    504.63/757.31 = 474.39/x
  3. Step 3: Cross multiply
    504.63x = 757.31 × 474.39
  4. Step 4: Simplify right side
    504.63x = 359,257.92
  5. Step 5: Solve for x
    x = 359,257.92/504.63
  6. Step 6: Final answer
    x = 711.92

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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.