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Finding the Fourth Proportional to 667.08, 995.81 and 637.13

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Solution

The fourth proportional to 667.08, 995.81 and 637.13 is: 951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.08 : 995.81 = 637.13 : x
  2. Step 2: Convert to fraction form
    667.08/995.81 = 637.13/x
  3. Step 3: Cross multiply
    667.08x = 995.81 × 637.13
  4. Step 4: Simplify right side
    667.08x = 634,459.58
  5. Step 5: Solve for x
    x = 634,459.58/667.08
  6. Step 6: Final answer
    x = 951.09

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