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Finding the Fourth Proportional to 342.44, 469.48 and 336.29

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Solution

The fourth proportional to 342.44, 469.48 and 336.29 is: 461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.44 : 469.48 = 336.29 : x
  2. Step 2: Convert to fraction form
    342.44/469.48 = 336.29/x
  3. Step 3: Cross multiply
    342.44x = 469.48 × 336.29
  4. Step 4: Simplify right side
    342.44x = 157,881.76
  5. Step 5: Solve for x
    x = 157,881.76/342.44
  6. Step 6: Final answer
    x = 461.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.