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Finding the Fourth Proportional to 302.02, 453.48 and 250.98

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Solution

The fourth proportional to 302.02, 453.48 and 250.98 is: 376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.02 : 453.48 = 250.98 : x
  2. Step 2: Convert to fraction form
    302.02/453.48 = 250.98/x
  3. Step 3: Cross multiply
    302.02x = 453.48 × 250.98
  4. Step 4: Simplify right side
    302.02x = 113,814.41
  5. Step 5: Solve for x
    x = 113,814.41/302.02
  6. Step 6: Final answer
    x = 376.84

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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.