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Finding the Fourth Proportional to 446.45, 616.16 and 250.01

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Solution

The fourth proportional to 446.45, 616.16 and 250.01 is: 345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.45 : 616.16 = 250.01 : x
  2. Step 2: Convert to fraction form
    446.45/616.16 = 250.01/x
  3. Step 3: Cross multiply
    446.45x = 616.16 × 250.01
  4. Step 4: Simplify right side
    446.45x = 154,046.16
  5. Step 5: Solve for x
    x = 154,046.16/446.45
  6. Step 6: Final answer
    x = 345.05

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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.