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Finding the Fourth Proportional to 466.08, 698.56 and 429.60

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Solution

The fourth proportional to 466.08, 698.56 and 429.60 is: 643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.08 : 698.56 = 429.60 : x
  2. Step 2: Convert to fraction form
    466.08/698.56 = 429.60/x
  3. Step 3: Cross multiply
    466.08x = 698.56 × 429.60
  4. Step 4: Simplify right side
    466.08x = 300,101.38
  5. Step 5: Solve for x
    x = 300,101.38/466.08
  6. Step 6: Final answer
    x = 643.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.