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Finding the Fourth Proportional to 473.63, 710.44 and 131.63

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Solution

The fourth proportional to 473.63, 710.44 and 131.63 is: 197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.63 : 710.44 = 131.63 : x
  2. Step 2: Convert to fraction form
    473.63/710.44 = 131.63/x
  3. Step 3: Cross multiply
    473.63x = 710.44 × 131.63
  4. Step 4: Simplify right side
    473.63x = 93,511.34
  5. Step 5: Solve for x
    x = 93,511.34/473.63
  6. Step 6: Final answer
    x = 197.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.