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Finding the Fourth Proportional to 591.02, 885.36 and 359.18

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Solution

The fourth proportional to 591.02, 885.36 and 359.18 is: 538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.02 : 885.36 = 359.18 : x
  2. Step 2: Convert to fraction form
    591.02/885.36 = 359.18/x
  3. Step 3: Cross multiply
    591.02x = 885.36 × 359.18
  4. Step 4: Simplify right side
    591.02x = 318,005.79
  5. Step 5: Solve for x
    x = 318,005.79/591.02
  6. Step 6: Final answer
    x = 538.06

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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.