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Finding the Fourth Proportional to 487.02, 730.13 and 332.56

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Solution

The fourth proportional to 487.02, 730.13 and 332.56 is: 498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.02 : 730.13 = 332.56 : x
  2. Step 2: Convert to fraction form
    487.02/730.13 = 332.56/x
  3. Step 3: Cross multiply
    487.02x = 730.13 × 332.56
  4. Step 4: Simplify right side
    487.02x = 242,811.04
  5. Step 5: Solve for x
    x = 242,811.04/487.02
  6. Step 6: Final answer
    x = 498.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.