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Finding the Fourth Proportional to 515.04, 772.44 and 332.52

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Solution

The fourth proportional to 515.04, 772.44 and 332.52 is: 498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.04 : 772.44 = 332.52 : x
  2. Step 2: Convert to fraction form
    515.04/772.44 = 332.52/x
  3. Step 3: Cross multiply
    515.04x = 772.44 × 332.52
  4. Step 4: Simplify right side
    515.04x = 256,851.75
  5. Step 5: Solve for x
    x = 256,851.75/515.04
  6. Step 6: Final answer
    x = 498.70

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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.