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Finding the Fourth Proportional to 292.36, 403.40 and 168.01

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Solution

The fourth proportional to 292.36, 403.40 and 168.01 is: 231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.36 : 403.40 = 168.01 : x
  2. Step 2: Convert to fraction form
    292.36/403.40 = 168.01/x
  3. Step 3: Cross multiply
    292.36x = 403.40 × 168.01
  4. Step 4: Simplify right side
    292.36x = 67,774.39
  5. Step 5: Solve for x
    x = 67,774.39/292.36
  6. Step 6: Final answer
    x = 231.82

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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.