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Finding the Fourth Proportional to 524.76, 787.26 and 159.56

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Solution

The fourth proportional to 524.76, 787.26 and 159.56 is: 239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.76 : 787.26 = 159.56 : x
  2. Step 2: Convert to fraction form
    524.76/787.26 = 159.56/x
  3. Step 3: Cross multiply
    524.76x = 787.26 × 159.56
  4. Step 4: Simplify right side
    524.76x = 125,615.21
  5. Step 5: Solve for x
    x = 125,615.21/524.76
  6. Step 6: Final answer
    x = 239.38

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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.