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Finding the Fourth Proportional to 429.33, 591.27 and 335.91

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Solution

The fourth proportional to 429.33, 591.27 and 335.91 is: 462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.33 : 591.27 = 335.91 : x
  2. Step 2: Convert to fraction form
    429.33/591.27 = 335.91/x
  3. Step 3: Cross multiply
    429.33x = 591.27 × 335.91
  4. Step 4: Simplify right side
    429.33x = 198,613.51
  5. Step 5: Solve for x
    x = 198,613.51/429.33
  6. Step 6: Final answer
    x = 462.61

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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.