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Finding the Fourth Proportional to 266.65, 368 and 148.65

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Solution

The fourth proportional to 266.65, 368 and 148.65 is: 205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.65 : 368 = 148.65 : x
  2. Step 2: Convert to fraction form
    266.65/368 = 148.65/x
  3. Step 3: Cross multiply
    266.65x = 368 × 148.65
  4. Step 4: Simplify right side
    266.65x = 54,703.20
  5. Step 5: Solve for x
    x = 54,703.20/266.65
  6. Step 6: Final answer
    x = 205.15

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