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Finding the Fourth Proportional to 461.18, 692.43 and 452.98

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Solution

The fourth proportional to 461.18, 692.43 and 452.98 is: 680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.18 : 692.43 = 452.98 : x
  2. Step 2: Convert to fraction form
    461.18/692.43 = 452.98/x
  3. Step 3: Cross multiply
    461.18x = 692.43 × 452.98
  4. Step 4: Simplify right side
    461.18x = 313,656.94
  5. Step 5: Solve for x
    x = 313,656.94/461.18
  6. Step 6: Final answer
    x = 680.12

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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.