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Finding the Fourth Proportional to 575.88, 863.64 and 191.04

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Solution

The fourth proportional to 575.88, 863.64 and 191.04 is: 286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.88 : 863.64 = 191.04 : x
  2. Step 2: Convert to fraction form
    575.88/863.64 = 191.04/x
  3. Step 3: Cross multiply
    575.88x = 863.64 × 191.04
  4. Step 4: Simplify right side
    575.88x = 164,989.79
  5. Step 5: Solve for x
    x = 164,989.79/575.88
  6. Step 6: Final answer
    x = 286.50

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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.