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Finding the Fourth Proportional to 639.96, 955.32 and 594.96

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Solution

The fourth proportional to 639.96, 955.32 and 594.96 is: 888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    639.96 : 955.32 = 594.96 : x
  2. Step 2: Convert to fraction form
    639.96/955.32 = 594.96/x
  3. Step 3: Cross multiply
    639.96x = 955.32 × 594.96
  4. Step 4: Simplify right side
    639.96x = 568,377.19
  5. Step 5: Solve for x
    x = 568,377.19/639.96
  6. Step 6: Final answer
    x = 888.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.