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Finding the Fourth Proportional to 375.24, 517.58 and 326.03

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Solution

The fourth proportional to 375.24, 517.58 and 326.03 is: 449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.24 : 517.58 = 326.03 : x
  2. Step 2: Convert to fraction form
    375.24/517.58 = 326.03/x
  3. Step 3: Cross multiply
    375.24x = 517.58 × 326.03
  4. Step 4: Simplify right side
    375.24x = 168,746.27
  5. Step 5: Solve for x
    x = 168,746.27/375.24
  6. Step 6: Final answer
    x = 449.70

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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.