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Finding the Fourth Proportional to 591.77, 886.61 and 360.55

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Solution

The fourth proportional to 591.77, 886.61 and 360.55 is: 540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.77 : 886.61 = 360.55 : x
  2. Step 2: Convert to fraction form
    591.77/886.61 = 360.55/x
  3. Step 3: Cross multiply
    591.77x = 886.61 × 360.55
  4. Step 4: Simplify right side
    591.77x = 319,667.24
  5. Step 5: Solve for x
    x = 319,667.24/591.77
  6. Step 6: Final answer
    x = 540.19

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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.