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Finding the Fourth Proportional to 277.79, 381.30 and 246.01

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Solution

The fourth proportional to 277.79, 381.30 and 246.01 is: 337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.79 : 381.30 = 246.01 : x
  2. Step 2: Convert to fraction form
    277.79/381.30 = 246.01/x
  3. Step 3: Cross multiply
    277.79x = 381.30 × 246.01
  4. Step 4: Simplify right side
    277.79x = 93,803.61
  5. Step 5: Solve for x
    x = 93,803.61/277.79
  6. Step 6: Final answer
    x = 337.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.