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Finding the Fourth Proportional to 597.21, 895.77 and 561.57

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Solution

The fourth proportional to 597.21, 895.77 and 561.57 is: 842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.21 : 895.77 = 561.57 : x
  2. Step 2: Convert to fraction form
    597.21/895.77 = 561.57/x
  3. Step 3: Cross multiply
    597.21x = 895.77 × 561.57
  4. Step 4: Simplify right side
    597.21x = 503,037.56
  5. Step 5: Solve for x
    x = 503,037.56/597.21
  6. Step 6: Final answer
    x = 842.31

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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.