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Finding the Fourth Proportional to 302.26, 453.56 and 186.98

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Solution

The fourth proportional to 302.26, 453.56 and 186.98 is: 280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.26 : 453.56 = 186.98 : x
  2. Step 2: Convert to fraction form
    302.26/453.56 = 186.98/x
  3. Step 3: Cross multiply
    302.26x = 453.56 × 186.98
  4. Step 4: Simplify right side
    302.26x = 84,806.65
  5. Step 5: Solve for x
    x = 84,806.65/302.26
  6. Step 6: Final answer
    x = 280.58

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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.