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Finding the Fourth Proportional to 370.76, 512.46 and 335.93

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Solution

The fourth proportional to 370.76, 512.46 and 335.93 is: 464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.76 : 512.46 = 335.93 : x
  2. Step 2: Convert to fraction form
    370.76/512.46 = 335.93/x
  3. Step 3: Cross multiply
    370.76x = 512.46 × 335.93
  4. Step 4: Simplify right side
    370.76x = 172,148.13
  5. Step 5: Solve for x
    x = 172,148.13/370.76
  6. Step 6: Final answer
    x = 464.32

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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.