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Finding the Fourth Proportional to 429.26, 591.59 and 304.93

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Solution

The fourth proportional to 429.26, 591.59 and 304.93 is: 420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.26 : 591.59 = 304.93 : x
  2. Step 2: Convert to fraction form
    429.26/591.59 = 304.93/x
  3. Step 3: Cross multiply
    429.26x = 591.59 × 304.93
  4. Step 4: Simplify right side
    429.26x = 180,389.06
  5. Step 5: Solve for x
    x = 180,389.06/429.26
  6. Step 6: Final answer
    x = 420.23

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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.