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Finding the Fourth Proportional to 373.23, 560.25 and 156.96

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Solution

The fourth proportional to 373.23, 560.25 and 156.96 is: 235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.23 : 560.25 = 156.96 : x
  2. Step 2: Convert to fraction form
    373.23/560.25 = 156.96/x
  3. Step 3: Cross multiply
    373.23x = 560.25 × 156.96
  4. Step 4: Simplify right side
    373.23x = 87,936.84
  5. Step 5: Solve for x
    x = 87,936.84/373.23
  6. Step 6: Final answer
    x = 235.61

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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.