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Finding the Fourth Proportional to 476.93, 716.06 and 245.99

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Solution

The fourth proportional to 476.93, 716.06 and 245.99 is: 369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.93 : 716.06 = 245.99 : x
  2. Step 2: Convert to fraction form
    476.93/716.06 = 245.99/x
  3. Step 3: Cross multiply
    476.93x = 716.06 × 245.99
  4. Step 4: Simplify right side
    476.93x = 176,146.00
  5. Step 5: Solve for x
    x = 176,146.00/476.93
  6. Step 6: Final answer
    x = 369.33

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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.