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Finding the Fourth Proportional to 515.04, 772.04 and 332.56

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Solution

The fourth proportional to 515.04, 772.04 and 332.56 is: 498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.04 : 772.04 = 332.56 : x
  2. Step 2: Convert to fraction form
    515.04/772.04 = 332.56/x
  3. Step 3: Cross multiply
    515.04x = 772.04 × 332.56
  4. Step 4: Simplify right side
    515.04x = 256,749.62
  5. Step 5: Solve for x
    x = 256,749.62/515.04
  6. Step 6: Final answer
    x = 498.51

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Double scale
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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.