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Finding the Fourth Proportional to 469.00, 702.89 and 252.32

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Solution

The fourth proportional to 469.00, 702.89 and 252.32 is: 378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.00 : 702.89 = 252.32 : x
  2. Step 2: Convert to fraction form
    469.00/702.89 = 252.32/x
  3. Step 3: Cross multiply
    469.00x = 702.89 × 252.32
  4. Step 4: Simplify right side
    469.00x = 177,351.94
  5. Step 5: Solve for x
    x = 177,351.94/469.00
  6. Step 6: Final answer
    x = 378.15

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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.