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Finding the Fourth Proportional to 366.46, 505.63 and 248.45

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Solution

The fourth proportional to 366.46, 505.63 and 248.45 is: 342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.46 : 505.63 = 248.45 : x
  2. Step 2: Convert to fraction form
    366.46/505.63 = 248.45/x
  3. Step 3: Cross multiply
    366.46x = 505.63 × 248.45
  4. Step 4: Simplify right side
    366.46x = 125,620.00
  5. Step 5: Solve for x
    x = 125,620.00/366.46
  6. Step 6: Final answer
    x = 342.80

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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.