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Finding the Fourth Proportional to 597.13, 893.57 and 440.58

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Solution

The fourth proportional to 597.13, 893.57 and 440.58 is: 659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.13 : 893.57 = 440.58 : x
  2. Step 2: Convert to fraction form
    597.13/893.57 = 440.58/x
  3. Step 3: Cross multiply
    597.13x = 893.57 × 440.58
  4. Step 4: Simplify right side
    597.13x = 393,691.00
  5. Step 5: Solve for x
    x = 393,691.00/597.13
  6. Step 6: Final answer
    x = 659.31

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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.