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Finding the Fourth Proportional to 285.06, 425.50 and 244.74

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Solution

The fourth proportional to 285.06, 425.50 and 244.74 is: 365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.06 : 425.50 = 244.74 : x
  2. Step 2: Convert to fraction form
    285.06/425.50 = 244.74/x
  3. Step 3: Cross multiply
    285.06x = 425.50 × 244.74
  4. Step 4: Simplify right side
    285.06x = 104,136.87
  5. Step 5: Solve for x
    x = 104,136.87/285.06
  6. Step 6: Final answer
    x = 365.32

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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.