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Finding the Fourth Proportional to 476.00, 717.50 and 436.50

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Solution

The fourth proportional to 476.00, 717.50 and 436.50 is: 657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.00 : 717.50 = 436.50 : x
  2. Step 2: Convert to fraction form
    476.00/717.50 = 436.50/x
  3. Step 3: Cross multiply
    476.00x = 717.50 × 436.50
  4. Step 4: Simplify right side
    476.00x = 313,188.75
  5. Step 5: Solve for x
    x = 313,188.75/476.00
  6. Step 6: Final answer
    x = 657.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.