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Finding the Fourth Proportional to 370.26, 553.36 and 341.07

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Solution

The fourth proportional to 370.26, 553.36 and 341.07 is: 509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.26 : 553.36 = 341.07 : x
  2. Step 2: Convert to fraction form
    370.26/553.36 = 341.07/x
  3. Step 3: Cross multiply
    370.26x = 553.36 × 341.07
  4. Step 4: Simplify right side
    370.26x = 188,732.79
  5. Step 5: Solve for x
    x = 188,732.79/370.26
  6. Step 6: Final answer
    x = 509.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.