Home / 160.24-240.06-105.30

Finding the Fourth Proportional to 160.24, 240.06 and 105.30

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Solution

The fourth proportional to 160.24, 240.06 and 105.30 is: 157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.24 : 240.06 = 105.30 : x
  2. Step 2: Convert to fraction form
    160.24/240.06 = 105.30/x
  3. Step 3: Cross multiply
    160.24x = 240.06 × 105.30
  4. Step 4: Simplify right side
    160.24x = 25,278.32
  5. Step 5: Solve for x
    x = 25,278.32/160.24
  6. Step 6: Final answer
    x = 157.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.