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Finding the Fourth Proportional to 607.46, 911.63 and 242.35

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Solution

The fourth proportional to 607.46, 911.63 and 242.35 is: 363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.46 : 911.63 = 242.35 : x
  2. Step 2: Convert to fraction form
    607.46/911.63 = 242.35/x
  3. Step 3: Cross multiply
    607.46x = 911.63 × 242.35
  4. Step 4: Simplify right side
    607.46x = 220,932.92
  5. Step 5: Solve for x
    x = 220,932.92/607.46
  6. Step 6: Final answer
    x = 363.70

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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.