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Finding the Fourth Proportional to 466.40, 698.16 and 350.20

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Solution

The fourth proportional to 466.40, 698.16 and 350.20 is: 524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.40 : 698.16 = 350.20 : x
  2. Step 2: Convert to fraction form
    466.40/698.16 = 350.20/x
  3. Step 3: Cross multiply
    466.40x = 698.16 × 350.20
  4. Step 4: Simplify right side
    466.40x = 244,495.63
  5. Step 5: Solve for x
    x = 244,495.63/466.40
  6. Step 6: Final answer
    x = 524.22

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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.