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Finding the Fourth Proportional to 614.36, 920.07 and 370.34

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Solution

The fourth proportional to 614.36, 920.07 and 370.34 is: 554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.36 : 920.07 = 370.34 : x
  2. Step 2: Convert to fraction form
    614.36/920.07 = 370.34/x
  3. Step 3: Cross multiply
    614.36x = 920.07 × 370.34
  4. Step 4: Simplify right side
    614.36x = 340,738.72
  5. Step 5: Solve for x
    x = 340,738.72/614.36
  6. Step 6: Final answer
    x = 554.62

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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.