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Finding the Fourth Proportional to 194.64, 292.50 and 98.52

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Solution

The fourth proportional to 194.64, 292.50 and 98.52 is: 148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.64 : 292.50 = 98.52 : x
  2. Step 2: Convert to fraction form
    194.64/292.50 = 98.52/x
  3. Step 3: Cross multiply
    194.64x = 292.50 × 98.52
  4. Step 4: Simplify right side
    194.64x = 28,817.10
  5. Step 5: Solve for x
    x = 28,817.10/194.64
  6. Step 6: Final answer
    x = 148.05

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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.