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Finding the Fourth Proportional to 924.02, 1,386.03 and 274.70

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Solution

The fourth proportional to 924.02, 1,386.03 and 274.70 is: 412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.02 : 1,386.03 = 274.70 : x
  2. Step 2: Convert to fraction form
    924.02/1,386.03 = 274.70/x
  3. Step 3: Cross multiply
    924.02x = 1,386.03 × 274.70
  4. Step 4: Simplify right side
    924.02x = 380,742.44
  5. Step 5: Solve for x
    x = 380,742.44/924.02
  6. Step 6: Final answer
    x = 412.05

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