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Finding the Fourth Proportional to 160.02, 240.20 and 116.75

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Solution

The fourth proportional to 160.02, 240.20 and 116.75 is: 175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.02 : 240.20 = 116.75 : x
  2. Step 2: Convert to fraction form
    160.02/240.20 = 116.75/x
  3. Step 3: Cross multiply
    160.02x = 240.20 × 116.75
  4. Step 4: Simplify right side
    160.02x = 28,043.35
  5. Step 5: Solve for x
    x = 28,043.35/160.02
  6. Step 6: Final answer
    x = 175.25

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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.