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Finding the Fourth Proportional to 292.02, 437.56 and 205.40

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Solution

The fourth proportional to 292.02, 437.56 and 205.40 is: 307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 437.56 = 205.40 : x
  2. Step 2: Convert to fraction form
    292.02/437.56 = 205.40/x
  3. Step 3: Cross multiply
    292.02x = 437.56 × 205.40
  4. Step 4: Simplify right side
    292.02x = 89,874.82
  5. Step 5: Solve for x
    x = 89,874.82/292.02
  6. Step 6: Final answer
    x = 307.77

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