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Finding the Fourth Proportional to 591.03, 885.56 and 360.18

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Solution

The fourth proportional to 591.03, 885.56 and 360.18 is: 539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.03 : 885.56 = 360.18 : x
  2. Step 2: Convert to fraction form
    591.03/885.56 = 360.18/x
  3. Step 3: Cross multiply
    591.03x = 885.56 × 360.18
  4. Step 4: Simplify right side
    591.03x = 318,959.20
  5. Step 5: Solve for x
    x = 318,959.20/591.03
  6. Step 6: Final answer
    x = 539.67

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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.