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Finding the Fourth Proportional to 501.88, 692.75 and 292.11

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Solution

The fourth proportional to 501.88, 692.75 and 292.11 is: 403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.88 : 692.75 = 292.11 : x
  2. Step 2: Convert to fraction form
    501.88/692.75 = 292.11/x
  3. Step 3: Cross multiply
    501.88x = 692.75 × 292.11
  4. Step 4: Simplify right side
    501.88x = 202,354.28
  5. Step 5: Solve for x
    x = 202,354.28/501.88
  6. Step 6: Final answer
    x = 403.19

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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.