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Finding the Fourth Proportional to 657, 905.52 and 604.68

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Solution

The fourth proportional to 657, 905.52 and 604.68 is: 833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    657 : 905.52 = 604.68 : x
  2. Step 2: Convert to fraction form
    657/905.52 = 604.68/x
  3. Step 3: Cross multiply
    657x = 905.52 × 604.68
  4. Step 4: Simplify right side
    657x = 547,549.83
  5. Step 5: Solve for x
    x = 547,549.83/657
  6. Step 6: Final answer
    x = 833.41

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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.