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Finding the Fourth Proportional to 657.98, 907.99 and 363.22

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Solution

The fourth proportional to 657.98, 907.99 and 363.22 is: 501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.98 : 907.99 = 363.22 : x
  2. Step 2: Convert to fraction form
    657.98/907.99 = 363.22/x
  3. Step 3: Cross multiply
    657.98x = 907.99 × 363.22
  4. Step 4: Simplify right side
    657.98x = 329,800.35
  5. Step 5: Solve for x
    x = 329,800.35/657.98
  6. Step 6: Final answer
    x = 501.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.