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Finding the Fourth Proportional to 439.56, 607.50 and 341.64

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Solution

The fourth proportional to 439.56, 607.50 and 341.64 is: 472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.56 : 607.50 = 341.64 : x
  2. Step 2: Convert to fraction form
    439.56/607.50 = 341.64/x
  3. Step 3: Cross multiply
    439.56x = 607.50 × 341.64
  4. Step 4: Simplify right side
    439.56x = 207,546.30
  5. Step 5: Solve for x
    x = 207,546.30/439.56
  6. Step 6: Final answer
    x = 472.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.