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Finding the Fourth Proportional to 522.42, 779.07 and 493.68

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Solution

The fourth proportional to 522.42, 779.07 and 493.68 is: 736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.42 : 779.07 = 493.68 : x
  2. Step 2: Convert to fraction form
    522.42/779.07 = 493.68/x
  3. Step 3: Cross multiply
    522.42x = 779.07 × 493.68
  4. Step 4: Simplify right side
    522.42x = 384,611.28
  5. Step 5: Solve for x
    x = 384,611.28/522.42
  6. Step 6: Final answer
    x = 736.21

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.