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Finding the Fourth Proportional to 604.68, 832.77 and 521.75

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Solution

The fourth proportional to 604.68, 832.77 and 521.75 is: 718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.68 : 832.77 = 521.75 : x
  2. Step 2: Convert to fraction form
    604.68/832.77 = 521.75/x
  3. Step 3: Cross multiply
    604.68x = 832.77 × 521.75
  4. Step 4: Simplify right side
    604.68x = 434,493.58
  5. Step 5: Solve for x
    x = 434,493.58/604.68
  6. Step 6: Final answer
    x = 718.55

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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.