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Finding the Fourth Proportional to 525.99, 727.68 and 460.69

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Solution

The fourth proportional to 525.99, 727.68 and 460.69 is: 637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.99 : 727.68 = 460.69 : x
  2. Step 2: Convert to fraction form
    525.99/727.68 = 460.69/x
  3. Step 3: Cross multiply
    525.99x = 727.68 × 460.69
  4. Step 4: Simplify right side
    525.99x = 335,234.81
  5. Step 5: Solve for x
    x = 335,234.81/525.99
  6. Step 6: Final answer
    x = 637.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.