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Finding the Fourth Proportional to 656.07, 983.16 and 330.99

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Solution

The fourth proportional to 656.07, 983.16 and 330.99 is: 496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.07 : 983.16 = 330.99 : x
  2. Step 2: Convert to fraction form
    656.07/983.16 = 330.99/x
  3. Step 3: Cross multiply
    656.07x = 983.16 × 330.99
  4. Step 4: Simplify right side
    656.07x = 325,416.13
  5. Step 5: Solve for x
    x = 325,416.13/656.07
  6. Step 6: Final answer
    x = 496.01

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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.