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Finding the Fourth Proportional to 563.66, 845.49 and 275.18

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Solution

The fourth proportional to 563.66, 845.49 and 275.18 is: 412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.66 : 845.49 = 275.18 : x
  2. Step 2: Convert to fraction form
    563.66/845.49 = 275.18/x
  3. Step 3: Cross multiply
    563.66x = 845.49 × 275.18
  4. Step 4: Simplify right side
    563.66x = 232,661.94
  5. Step 5: Solve for x
    x = 232,661.94/563.66
  6. Step 6: Final answer
    x = 412.77

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.