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Finding the Fourth Proportional to 394.17, 587.93 and 332.88

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Solution

The fourth proportional to 394.17, 587.93 and 332.88 is: 496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.17 : 587.93 = 332.88 : x
  2. Step 2: Convert to fraction form
    394.17/587.93 = 332.88/x
  3. Step 3: Cross multiply
    394.17x = 587.93 × 332.88
  4. Step 4: Simplify right side
    394.17x = 195,708.47
  5. Step 5: Solve for x
    x = 195,708.47/394.17
  6. Step 6: Final answer
    x = 496.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.