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Finding the Fourth Proportional to 437.19, 655.17 and 376.03

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Solution

The fourth proportional to 437.19, 655.17 and 376.03 is: 563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.19 : 655.17 = 376.03 : x
  2. Step 2: Convert to fraction form
    437.19/655.17 = 376.03/x
  3. Step 3: Cross multiply
    437.19x = 655.17 × 376.03
  4. Step 4: Simplify right side
    437.19x = 246,363.58
  5. Step 5: Solve for x
    x = 246,363.58/437.19
  6. Step 6: Final answer
    x = 563.52

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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.