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Finding the Fourth Proportional to 591.71, 887.05 and 360.65

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Solution

The fourth proportional to 591.71, 887.05 and 360.65 is: 540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.71 : 887.05 = 360.65 : x
  2. Step 2: Convert to fraction form
    591.71/887.05 = 360.65/x
  3. Step 3: Cross multiply
    591.71x = 887.05 × 360.65
  4. Step 4: Simplify right side
    591.71x = 319,917.25
  5. Step 5: Solve for x
    x = 319,917.25/591.71
  6. Step 6: Final answer
    x = 540.67

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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.