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Finding the Fourth Proportional to 370.28, 554.82 and 233.36

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Solution

The fourth proportional to 370.28, 554.82 and 233.36 is: 349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.28 : 554.82 = 233.36 : x
  2. Step 2: Convert to fraction form
    370.28/554.82 = 233.36/x
  3. Step 3: Cross multiply
    370.28x = 554.82 × 233.36
  4. Step 4: Simplify right side
    370.28x = 129,472.80
  5. Step 5: Solve for x
    x = 129,472.80/370.28
  6. Step 6: Final answer
    x = 349.66

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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.