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Finding the Fourth Proportional to 503.53, 754.54 and 284.26

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Solution

The fourth proportional to 503.53, 754.54 and 284.26 is: 425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.53 : 754.54 = 284.26 : x
  2. Step 2: Convert to fraction form
    503.53/754.54 = 284.26/x
  3. Step 3: Cross multiply
    503.53x = 754.54 × 284.26
  4. Step 4: Simplify right side
    503.53x = 214,485.54
  5. Step 5: Solve for x
    x = 214,485.54/503.53
  6. Step 6: Final answer
    x = 425.96

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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.