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Finding the Fourth Proportional to 692.76, 955.35 and 526.98

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Solution

The fourth proportional to 692.76, 955.35 and 526.98 is: 726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.76 : 955.35 = 526.98 : x
  2. Step 2: Convert to fraction form
    692.76/955.35 = 526.98/x
  3. Step 3: Cross multiply
    692.76x = 955.35 × 526.98
  4. Step 4: Simplify right side
    692.76x = 503,450.34
  5. Step 5: Solve for x
    x = 503,450.34/692.76
  6. Step 6: Final answer
    x = 726.73

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Double scale
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1.5x scale

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.