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Finding the Fourth Proportional to 525.47, 788.22 and 262.17

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Solution

The fourth proportional to 525.47, 788.22 and 262.17 is: 393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.47 : 788.22 = 262.17 : x
  2. Step 2: Convert to fraction form
    525.47/788.22 = 262.17/x
  3. Step 3: Cross multiply
    525.47x = 788.22 × 262.17
  4. Step 4: Simplify right side
    525.47x = 206,647.64
  5. Step 5: Solve for x
    x = 206,647.64/525.47
  6. Step 6: Final answer
    x = 393.27

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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.