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Finding the Fourth Proportional to 563.98, 846.15 and 290.27

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Solution

The fourth proportional to 563.98, 846.15 and 290.27 is: 435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.98 : 846.15 = 290.27 : x
  2. Step 2: Convert to fraction form
    563.98/846.15 = 290.27/x
  3. Step 3: Cross multiply
    563.98x = 846.15 × 290.27
  4. Step 4: Simplify right side
    563.98x = 245,611.96
  5. Step 5: Solve for x
    x = 245,611.96/563.98
  6. Step 6: Final answer
    x = 435.50

Related Problems

Find fourth proportional to 281.99, 423.08 and 145.14
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.