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Finding the Fourth Proportional to 462.51, 692.82 and 446.94

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Solution

The fourth proportional to 462.51, 692.82 and 446.94 is: 669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.51 : 692.82 = 446.94 : x
  2. Step 2: Convert to fraction form
    462.51/692.82 = 446.94/x
  3. Step 3: Cross multiply
    462.51x = 692.82 × 446.94
  4. Step 4: Simplify right side
    462.51x = 309,648.97
  5. Step 5: Solve for x
    x = 309,648.97/462.51
  6. Step 6: Final answer
    x = 669.50

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1.5x scale

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.