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Finding the Fourth Proportional to 367.53, 550.58 and 303.45

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Solution

The fourth proportional to 367.53, 550.58 and 303.45 is: 454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.53 : 550.58 = 303.45 : x
  2. Step 2: Convert to fraction form
    367.53/550.58 = 303.45/x
  3. Step 3: Cross multiply
    367.53x = 550.58 × 303.45
  4. Step 4: Simplify right side
    367.53x = 167,071.98
  5. Step 5: Solve for x
    x = 167,071.98/367.53
  6. Step 6: Final answer
    x = 454.58

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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.