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Finding the Fourth Proportional to 597.24, 889.71 and 561.78

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Solution

The fourth proportional to 597.24, 889.71 and 561.78 is: 836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.24 : 889.71 = 561.78 : x
  2. Step 2: Convert to fraction form
    597.24/889.71 = 561.78/x
  3. Step 3: Cross multiply
    597.24x = 889.71 × 561.78
  4. Step 4: Simplify right side
    597.24x = 499,821.28
  5. Step 5: Solve for x
    x = 499,821.28/597.24
  6. Step 6: Final answer
    x = 836.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.