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Finding the Fourth Proportional to 445.36, 614.58 and 246.18

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Solution

The fourth proportional to 445.36, 614.58 and 246.18 is: 339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.36 : 614.58 = 246.18 : x
  2. Step 2: Convert to fraction form
    445.36/614.58 = 246.18/x
  3. Step 3: Cross multiply
    445.36x = 614.58 × 246.18
  4. Step 4: Simplify right side
    445.36x = 151,297.30
  5. Step 5: Solve for x
    x = 151,297.30/445.36
  6. Step 6: Final answer
    x = 339.72

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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.