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Finding the Fourth Proportional to 608.25, 912.52 and 175.41

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Solution

The fourth proportional to 608.25, 912.52 and 175.41 is: 263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.25 : 912.52 = 175.41 : x
  2. Step 2: Convert to fraction form
    608.25/912.52 = 175.41/x
  3. Step 3: Cross multiply
    608.25x = 912.52 × 175.41
  4. Step 4: Simplify right side
    608.25x = 160,064.37
  5. Step 5: Solve for x
    x = 160,064.37/608.25
  6. Step 6: Final answer
    x = 263.15

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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.