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Finding the Fourth Proportional to 597.31, 894.39 and 560.80

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Solution

The fourth proportional to 597.31, 894.39 and 560.80 is: 839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.31 : 894.39 = 560.80 : x
  2. Step 2: Convert to fraction form
    597.31/894.39 = 560.80/x
  3. Step 3: Cross multiply
    597.31x = 894.39 × 560.80
  4. Step 4: Simplify right side
    597.31x = 501,573.91
  5. Step 5: Solve for x
    x = 501,573.91/597.31
  6. Step 6: Final answer
    x = 839.72

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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.