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Finding the Fourth Proportional to 692.74, 956.46 and 532.95

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Solution

The fourth proportional to 692.74, 956.46 and 532.95 is: 735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.74 : 956.46 = 532.95 : x
  2. Step 2: Convert to fraction form
    692.74/956.46 = 532.95/x
  3. Step 3: Cross multiply
    692.74x = 956.46 × 532.95
  4. Step 4: Simplify right side
    692.74x = 509,740.77
  5. Step 5: Solve for x
    x = 509,740.77/692.74
  6. Step 6: Final answer
    x = 735.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.