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Finding the Fourth Proportional to 160.29, 240.48 and 64.17

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Solution

The fourth proportional to 160.29, 240.48 and 64.17 is: 96.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.29 : 240.48 = 64.17 : x
  2. Step 2: Convert to fraction form
    160.29/240.48 = 64.17/x
  3. Step 3: Cross multiply
    160.29x = 240.48 × 64.17
  4. Step 4: Simplify right side
    160.29x = 15,431.60
  5. Step 5: Solve for x
    x = 15,431.60/160.29
  6. Step 6: Final answer
    x = 96.27

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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.