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Finding the Fourth Proportional to 607.82, 911.25 and 242.46

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Solution

The fourth proportional to 607.82, 911.25 and 242.46 is: 363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.82 : 911.25 = 242.46 : x
  2. Step 2: Convert to fraction form
    607.82/911.25 = 242.46/x
  3. Step 3: Cross multiply
    607.82x = 911.25 × 242.46
  4. Step 4: Simplify right side
    607.82x = 220,941.68
  5. Step 5: Solve for x
    x = 220,941.68/607.82
  6. Step 6: Final answer
    x = 363.50

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Double scale
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Similar ratio
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1.5x scale

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.