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Finding the Fourth Proportional to 262.16, 360.56 and 240.08

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Solution

The fourth proportional to 262.16, 360.56 and 240.08 is: 330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.16 : 360.56 = 240.08 : x
  2. Step 2: Convert to fraction form
    262.16/360.56 = 240.08/x
  3. Step 3: Cross multiply
    262.16x = 360.56 × 240.08
  4. Step 4: Simplify right side
    262.16x = 86,563.24
  5. Step 5: Solve for x
    x = 86,563.24/262.16
  6. Step 6: Final answer
    x = 330.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.