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Finding the Fourth Proportional to 292.72, 403.70 and 246.56

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Solution

The fourth proportional to 292.72, 403.70 and 246.56 is: 340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.72 : 403.70 = 246.56 : x
  2. Step 2: Convert to fraction form
    292.72/403.70 = 246.56/x
  3. Step 3: Cross multiply
    292.72x = 403.70 × 246.56
  4. Step 4: Simplify right side
    292.72x = 99,536.27
  5. Step 5: Solve for x
    x = 99,536.27/292.72
  6. Step 6: Final answer
    x = 340.04

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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.