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Finding the Fourth Proportional to 604.26, 832.28 and 555.66

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Solution

The fourth proportional to 604.26, 832.28 and 555.66 is: 765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.26 : 832.28 = 555.66 : x
  2. Step 2: Convert to fraction form
    604.26/832.28 = 555.66/x
  3. Step 3: Cross multiply
    604.26x = 832.28 × 555.66
  4. Step 4: Simplify right side
    604.26x = 462,461.93
  5. Step 5: Solve for x
    x = 462,461.93/604.26
  6. Step 6: Final answer
    x = 765.34

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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.