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Finding the Fourth Proportional to 437.61, 655.83 and 334.50

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Solution

The fourth proportional to 437.61, 655.83 and 334.50 is: 501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.61 : 655.83 = 334.50 : x
  2. Step 2: Convert to fraction form
    437.61/655.83 = 334.50/x
  3. Step 3: Cross multiply
    437.61x = 655.83 × 334.50
  4. Step 4: Simplify right side
    437.61x = 219,375.14
  5. Step 5: Solve for x
    x = 219,375.14/437.61
  6. Step 6: Final answer
    x = 501.30

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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.