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Finding the Fourth Proportional to 260.66, 359.68 and 150.10

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Solution

The fourth proportional to 260.66, 359.68 and 150.10 is: 207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.66 : 359.68 = 150.10 : x
  2. Step 2: Convert to fraction form
    260.66/359.68 = 150.10/x
  3. Step 3: Cross multiply
    260.66x = 359.68 × 150.10
  4. Step 4: Simplify right side
    260.66x = 53,987.97
  5. Step 5: Solve for x
    x = 53,987.97/260.66
  6. Step 6: Final answer
    x = 207.12

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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.