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Finding the Fourth Proportional to 591.47, 886.23 and 359.66

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Solution

The fourth proportional to 591.47, 886.23 and 359.66 is: 538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.47 : 886.23 = 359.66 : x
  2. Step 2: Convert to fraction form
    591.47/886.23 = 359.66/x
  3. Step 3: Cross multiply
    591.47x = 886.23 × 359.66
  4. Step 4: Simplify right side
    591.47x = 318,740.37
  5. Step 5: Solve for x
    x = 318,740.37/591.47
  6. Step 6: Final answer
    x = 538.89

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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.