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Finding the Fourth Proportional to 564.26, 848.21 and 484.07

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Solution

The fourth proportional to 564.26, 848.21 and 484.07 is: 727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.26 : 848.21 = 484.07 : x
  2. Step 2: Convert to fraction form
    564.26/848.21 = 484.07/x
  3. Step 3: Cross multiply
    564.26x = 848.21 × 484.07
  4. Step 4: Simplify right side
    564.26x = 410,586.35
  5. Step 5: Solve for x
    x = 410,586.35/564.26
  6. Step 6: Final answer
    x = 727.66

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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.