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Finding the Fourth Proportional to 575.06, 793.05 and 400.46

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Solution

The fourth proportional to 575.06, 793.05 and 400.46 is: 552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.06 : 793.05 = 400.46 : x
  2. Step 2: Convert to fraction form
    575.06/793.05 = 400.46/x
  3. Step 3: Cross multiply
    575.06x = 793.05 × 400.46
  4. Step 4: Simplify right side
    575.06x = 317,584.80
  5. Step 5: Solve for x
    x = 317,584.80/575.06
  6. Step 6: Final answer
    x = 552.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.