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Finding the Fourth Proportional to 370.80, 554.67 and 334.35

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Solution

The fourth proportional to 370.80, 554.67 and 334.35 is: 500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.80 : 554.67 = 334.35 : x
  2. Step 2: Convert to fraction form
    370.80/554.67 = 334.35/x
  3. Step 3: Cross multiply
    370.80x = 554.67 × 334.35
  4. Step 4: Simplify right side
    370.80x = 185,453.91
  5. Step 5: Solve for x
    x = 185,453.91/370.80
  6. Step 6: Final answer
    x = 500.15

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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.