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Finding the Fourth Proportional to 503.08, 755.25 and 366.28

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Solution

The fourth proportional to 503.08, 755.25 and 366.28 is: 549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.08 : 755.25 = 366.28 : x
  2. Step 2: Convert to fraction form
    503.08/755.25 = 366.28/x
  3. Step 3: Cross multiply
    503.08x = 755.25 × 366.28
  4. Step 4: Simplify right side
    503.08x = 276,632.97
  5. Step 5: Solve for x
    x = 276,632.97/503.08
  6. Step 6: Final answer
    x = 549.88

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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.