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Finding the Fourth Proportional to 503.16, 755.30 and 364.44

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Solution

The fourth proportional to 503.16, 755.30 and 364.44 is: 547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.16 : 755.30 = 364.44 : x
  2. Step 2: Convert to fraction form
    503.16/755.30 = 364.44/x
  3. Step 3: Cross multiply
    503.16x = 755.30 × 364.44
  4. Step 4: Simplify right side
    503.16x = 275,261.53
  5. Step 5: Solve for x
    x = 275,261.53/503.16
  6. Step 6: Final answer
    x = 547.07

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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.