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Finding the Fourth Proportional to 340.56, 468.24 and 282.24

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Solution

The fourth proportional to 340.56, 468.24 and 282.24 is: 388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.56 : 468.24 = 282.24 : x
  2. Step 2: Convert to fraction form
    340.56/468.24 = 282.24/x
  3. Step 3: Cross multiply
    340.56x = 468.24 × 282.24
  4. Step 4: Simplify right side
    340.56x = 132,156.06
  5. Step 5: Solve for x
    x = 132,156.06/340.56
  6. Step 6: Final answer
    x = 388.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.