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Finding the Fourth Proportional to 372.02, 556.68 and 303.38

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Solution

The fourth proportional to 372.02, 556.68 and 303.38 is: 453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.02 : 556.68 = 303.38 : x
  2. Step 2: Convert to fraction form
    372.02/556.68 = 303.38/x
  3. Step 3: Cross multiply
    372.02x = 556.68 × 303.38
  4. Step 4: Simplify right side
    372.02x = 168,885.58
  5. Step 5: Solve for x
    x = 168,885.58/372.02
  6. Step 6: Final answer
    x = 453.97

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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.