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Finding the Fourth Proportional to 344.94, 516.70 and 240.81

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Solution

The fourth proportional to 344.94, 516.70 and 240.81 is: 360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.94 : 516.70 = 240.81 : x
  2. Step 2: Convert to fraction form
    344.94/516.70 = 240.81/x
  3. Step 3: Cross multiply
    344.94x = 516.70 × 240.81
  4. Step 4: Simplify right side
    344.94x = 124,426.53
  5. Step 5: Solve for x
    x = 124,426.53/344.94
  6. Step 6: Final answer
    x = 360.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.