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Finding the Fourth Proportional to 429.62, 591.56 and 336.26

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Solution

The fourth proportional to 429.62, 591.56 and 336.26 is: 463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.62 : 591.56 = 336.26 : x
  2. Step 2: Convert to fraction form
    429.62/591.56 = 336.26/x
  3. Step 3: Cross multiply
    429.62x = 591.56 × 336.26
  4. Step 4: Simplify right side
    429.62x = 198,916.28
  5. Step 5: Solve for x
    x = 198,916.28/429.62
  6. Step 6: Final answer
    x = 463.01

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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.