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Finding the Fourth Proportional to 608.76, 908.70 and 563.62

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Solution

The fourth proportional to 608.76, 908.70 and 563.62 is: 841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.76 : 908.70 = 563.62 : x
  2. Step 2: Convert to fraction form
    608.76/908.70 = 563.62/x
  3. Step 3: Cross multiply
    608.76x = 908.70 × 563.62
  4. Step 4: Simplify right side
    608.76x = 512,161.49
  5. Step 5: Solve for x
    x = 512,161.49/608.76
  6. Step 6: Final answer
    x = 841.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.