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Finding the Fourth Proportional to 563.99, 845.85 and 153.03

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Solution

The fourth proportional to 563.99, 845.85 and 153.03 is: 229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.99 : 845.85 = 153.03 : x
  2. Step 2: Convert to fraction form
    563.99/845.85 = 153.03/x
  3. Step 3: Cross multiply
    563.99x = 845.85 × 153.03
  4. Step 4: Simplify right side
    563.99x = 129,440.43
  5. Step 5: Solve for x
    x = 129,440.43/563.99
  6. Step 6: Final answer
    x = 229.51

Related Problems

Find fourth proportional to 281.99, 422.93 and 76.52
Half scale
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Double scale
Find fourth proportional to 564.99, 847.35 and 154.03
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.