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Finding the Fourth Proportional to 563.23, 777 and 366.70

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Solution

The fourth proportional to 563.23, 777 and 366.70 is: 505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.23 : 777 = 366.70 : x
  2. Step 2: Convert to fraction form
    563.23/777 = 366.70/x
  3. Step 3: Cross multiply
    563.23x = 777 × 366.70
  4. Step 4: Simplify right side
    563.23x = 284,925.90
  5. Step 5: Solve for x
    x = 284,925.90/563.23
  6. Step 6: Final answer
    x = 505.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.