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Finding the Fourth Proportional to 525.17, 787.76 and 236.27

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Solution

The fourth proportional to 525.17, 787.76 and 236.27 is: 354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.17 : 787.76 = 236.27 : x
  2. Step 2: Convert to fraction form
    525.17/787.76 = 236.27/x
  3. Step 3: Cross multiply
    525.17x = 787.76 × 236.27
  4. Step 4: Simplify right side
    525.17x = 186,124.06
  5. Step 5: Solve for x
    x = 186,124.06/525.17
  6. Step 6: Final answer
    x = 354.41

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Double scale
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Similar ratio
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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.