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Finding the Fourth Proportional to 575.50, 793.94 and 450.66

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Solution

The fourth proportional to 575.50, 793.94 and 450.66 is: 621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.50 : 793.94 = 450.66 : x
  2. Step 2: Convert to fraction form
    575.50/793.94 = 450.66/x
  3. Step 3: Cross multiply
    575.50x = 793.94 × 450.66
  4. Step 4: Simplify right side
    575.50x = 357,797.00
  5. Step 5: Solve for x
    x = 357,797.00/575.50
  6. Step 6: Final answer
    x = 621.72

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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.