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Finding the Fourth Proportional to 563.84, 845.55 and 239.23

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Solution

The fourth proportional to 563.84, 845.55 and 239.23 is: 358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.84 : 845.55 = 239.23 : x
  2. Step 2: Convert to fraction form
    563.84/845.55 = 239.23/x
  3. Step 3: Cross multiply
    563.84x = 845.55 × 239.23
  4. Step 4: Simplify right side
    563.84x = 202,280.93
  5. Step 5: Solve for x
    x = 202,280.93/563.84
  6. Step 6: Final answer
    x = 358.76

Related Problems

Find fourth proportional to 281.92, 422.78 and 119.62
Half scale
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Double scale
Find fourth proportional to 564.84, 847.05 and 240.23
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.