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Finding the Fourth Proportional to 625.10, 938.75 and 347.36

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Solution

The fourth proportional to 625.10, 938.75 and 347.36 is: 521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.10 : 938.75 = 347.36 : x
  2. Step 2: Convert to fraction form
    625.10/938.75 = 347.36/x
  3. Step 3: Cross multiply
    625.10x = 938.75 × 347.36
  4. Step 4: Simplify right side
    625.10x = 326,077.77
  5. Step 5: Solve for x
    x = 326,077.77/625.10
  6. Step 6: Final answer
    x = 521.65

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