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Finding the Fourth Proportional to 160.45, 240.53 and 62.88

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Solution

The fourth proportional to 160.45, 240.53 and 62.88 is: 94.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.45 : 240.53 = 62.88 : x
  2. Step 2: Convert to fraction form
    160.45/240.53 = 62.88/x
  3. Step 3: Cross multiply
    160.45x = 240.53 × 62.88
  4. Step 4: Simplify right side
    160.45x = 15,123.01
  5. Step 5: Solve for x
    x = 15,123.01/160.45
  6. Step 6: Final answer
    x = 94.26

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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.