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Finding the Fourth Proportional to 565.12, 847.66 and 154.32

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Solution

The fourth proportional to 565.12, 847.66 and 154.32 is: 231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.12 : 847.66 = 154.32 : x
  2. Step 2: Convert to fraction form
    565.12/847.66 = 154.32/x
  3. Step 3: Cross multiply
    565.12x = 847.66 × 154.32
  4. Step 4: Simplify right side
    565.12x = 130,810.89
  5. Step 5: Solve for x
    x = 130,810.89/565.12
  6. Step 6: Final answer
    x = 231.47

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