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Finding the Fourth Proportional to 503.58, 693.09 and 441.57

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Solution

The fourth proportional to 503.58, 693.09 and 441.57 is: 607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.58 : 693.09 = 441.57 : x
  2. Step 2: Convert to fraction form
    503.58/693.09 = 441.57/x
  3. Step 3: Cross multiply
    503.58x = 693.09 × 441.57
  4. Step 4: Simplify right side
    503.58x = 306,047.75
  5. Step 5: Solve for x
    x = 306,047.75/503.58
  6. Step 6: Final answer
    x = 607.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.