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Finding the Fourth Proportional to 507.36, 755.28 and 504.63

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Solution

The fourth proportional to 507.36, 755.28 and 504.63 is: 751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.36 : 755.28 = 504.63 : x
  2. Step 2: Convert to fraction form
    507.36/755.28 = 504.63/x
  3. Step 3: Cross multiply
    507.36x = 755.28 × 504.63
  4. Step 4: Simplify right side
    507.36x = 381,136.95
  5. Step 5: Solve for x
    x = 381,136.95/507.36
  6. Step 6: Final answer
    x = 751.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.