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Finding the Fourth Proportional to 344.92, 515.23 and 293.32

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Solution

The fourth proportional to 344.92, 515.23 and 293.32 is: 438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.92 : 515.23 = 293.32 : x
  2. Step 2: Convert to fraction form
    344.92/515.23 = 293.32/x
  3. Step 3: Cross multiply
    344.92x = 515.23 × 293.32
  4. Step 4: Simplify right side
    344.92x = 151,127.26
  5. Step 5: Solve for x
    x = 151,127.26/344.92
  6. Step 6: Final answer
    x = 438.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.