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Finding the Fourth Proportional to 445.18, 614.36 and 246.02

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Solution

The fourth proportional to 445.18, 614.36 and 246.02 is: 339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.18 : 614.36 = 246.02 : x
  2. Step 2: Convert to fraction form
    445.18/614.36 = 246.02/x
  3. Step 3: Cross multiply
    445.18x = 614.36 × 246.02
  4. Step 4: Simplify right side
    445.18x = 151,144.85
  5. Step 5: Solve for x
    x = 151,144.85/445.18
  6. Step 6: Final answer
    x = 339.51

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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.