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Finding the Fourth Proportional to 501.93, 692.51 and 352.56

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Solution

The fourth proportional to 501.93, 692.51 and 352.56 is: 486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.93 : 692.51 = 352.56 : x
  2. Step 2: Convert to fraction form
    501.93/692.51 = 352.56/x
  3. Step 3: Cross multiply
    501.93x = 692.51 × 352.56
  4. Step 4: Simplify right side
    501.93x = 244,149.56
  5. Step 5: Solve for x
    x = 244,149.56/501.93
  6. Step 6: Final answer
    x = 486.42

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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.