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Finding the Fourth Proportional to 466.02, 698.76 and 209.52

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Solution

The fourth proportional to 466.02, 698.76 and 209.52 is: 314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.02 : 698.76 = 209.52 : x
  2. Step 2: Convert to fraction form
    466.02/698.76 = 209.52/x
  3. Step 3: Cross multiply
    466.02x = 698.76 × 209.52
  4. Step 4: Simplify right side
    466.02x = 146,404.20
  5. Step 5: Solve for x
    x = 146,404.20/466.02
  6. Step 6: Final answer
    x = 314.16

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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.