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Finding the Fourth Proportional to 275.00, 377.19 and 242.19

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Solution

The fourth proportional to 275.00, 377.19 and 242.19 is: 332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.00 : 377.19 = 242.19 : x
  2. Step 2: Convert to fraction form
    275.00/377.19 = 242.19/x
  3. Step 3: Cross multiply
    275.00x = 377.19 × 242.19
  4. Step 4: Simplify right side
    275.00x = 91,351.65
  5. Step 5: Solve for x
    x = 91,351.65/275.00
  6. Step 6: Final answer
    x = 332.19

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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.