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Finding the Fourth Proportional to 560.22, 840.41 and 194.94

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Solution

The fourth proportional to 560.22, 840.41 and 194.94 is: 292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.22 : 840.41 = 194.94 : x
  2. Step 2: Convert to fraction form
    560.22/840.41 = 194.94/x
  3. Step 3: Cross multiply
    560.22x = 840.41 × 194.94
  4. Step 4: Simplify right side
    560.22x = 163,829.53
  5. Step 5: Solve for x
    x = 163,829.53/560.22
  6. Step 6: Final answer
    x = 292.44

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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.