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Finding the Fourth Proportional to 525.48, 784.22 and 504.28

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Solution

The fourth proportional to 525.48, 784.22 and 504.28 is: 752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.48 : 784.22 = 504.28 : x
  2. Step 2: Convert to fraction form
    525.48/784.22 = 504.28/x
  3. Step 3: Cross multiply
    525.48x = 784.22 × 504.28
  4. Step 4: Simplify right side
    525.48x = 395,463.94
  5. Step 5: Solve for x
    x = 395,463.94/525.48
  6. Step 6: Final answer
    x = 752.58

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Double scale
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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.