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Finding the Fourth Proportional to 563.45, 845.28 and 173.49

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Solution

The fourth proportional to 563.45, 845.28 and 173.49 is: 260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.45 : 845.28 = 173.49 : x
  2. Step 2: Convert to fraction form
    563.45/845.28 = 173.49/x
  3. Step 3: Cross multiply
    563.45x = 845.28 × 173.49
  4. Step 4: Simplify right side
    563.45x = 146,647.63
  5. Step 5: Solve for x
    x = 146,647.63/563.45
  6. Step 6: Final answer
    x = 260.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 564.45, 846.78 and 174.49
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.