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Finding the Fourth Proportional to 375.75, 515.34 and 332.01

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Solution

The fourth proportional to 375.75, 515.34 and 332.01 is: 455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.75 : 515.34 = 332.01 : x
  2. Step 2: Convert to fraction form
    375.75/515.34 = 332.01/x
  3. Step 3: Cross multiply
    375.75x = 515.34 × 332.01
  4. Step 4: Simplify right side
    375.75x = 171,098.03
  5. Step 5: Solve for x
    x = 171,098.03/375.75
  6. Step 6: Final answer
    x = 455.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.