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Finding the Fourth Proportional to 590.14, 885.03 and 487.16

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Solution

The fourth proportional to 590.14, 885.03 and 487.16 is: 730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.14 : 885.03 = 487.16 : x
  2. Step 2: Convert to fraction form
    590.14/885.03 = 487.16/x
  3. Step 3: Cross multiply
    590.14x = 885.03 × 487.16
  4. Step 4: Simplify right side
    590.14x = 431,153.26
  5. Step 5: Solve for x
    x = 431,153.26/590.14
  6. Step 6: Final answer
    x = 730.60

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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.