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Finding the Fourth Proportional to 605.28, 906.72 and 373.52

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Solution

The fourth proportional to 605.28, 906.72 and 373.52 is: 559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.28 : 906.72 = 373.52 : x
  2. Step 2: Convert to fraction form
    605.28/906.72 = 373.52/x
  3. Step 3: Cross multiply
    605.28x = 906.72 × 373.52
  4. Step 4: Simplify right side
    605.28x = 338,678.05
  5. Step 5: Solve for x
    x = 338,678.05/605.28
  6. Step 6: Final answer
    x = 559.54

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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.