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Finding the Fourth Proportional to 657.15, 906.87 and 362.41

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Solution

The fourth proportional to 657.15, 906.87 and 362.41 is: 500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.15 : 906.87 = 362.41 : x
  2. Step 2: Convert to fraction form
    657.15/906.87 = 362.41/x
  3. Step 3: Cross multiply
    657.15x = 906.87 × 362.41
  4. Step 4: Simplify right side
    657.15x = 328,652.41
  5. Step 5: Solve for x
    x = 328,652.41/657.15
  6. Step 6: Final answer
    x = 500.12

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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.