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Finding the Fourth Proportional to 575.58, 793.56 and 475.64

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Solution

The fourth proportional to 575.58, 793.56 and 475.64 is: 655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.58 : 793.56 = 475.64 : x
  2. Step 2: Convert to fraction form
    575.58/793.56 = 475.64/x
  3. Step 3: Cross multiply
    575.58x = 793.56 × 475.64
  4. Step 4: Simplify right side
    575.58x = 377,448.88
  5. Step 5: Solve for x
    x = 377,448.88/575.58
  6. Step 6: Final answer
    x = 655.77

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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.