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Finding the Fourth Proportional to 372.60, 514.49 and 335.61

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Solution

The fourth proportional to 372.60, 514.49 and 335.61 is: 463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.60 : 514.49 = 335.61 : x
  2. Step 2: Convert to fraction form
    372.60/514.49 = 335.61/x
  3. Step 3: Cross multiply
    372.60x = 514.49 × 335.61
  4. Step 4: Simplify right side
    372.60x = 172,666.31
  5. Step 5: Solve for x
    x = 172,666.31/372.60
  6. Step 6: Final answer
    x = 463.41

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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.