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Finding the Fourth Proportional to 612.04, 917.72 and 201.07

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Solution

The fourth proportional to 612.04, 917.72 and 201.07 is: 301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.04 : 917.72 = 201.07 : x
  2. Step 2: Convert to fraction form
    612.04/917.72 = 201.07/x
  3. Step 3: Cross multiply
    612.04x = 917.72 × 201.07
  4. Step 4: Simplify right side
    612.04x = 184,525.96
  5. Step 5: Solve for x
    x = 184,525.96/612.04
  6. Step 6: Final answer
    x = 301.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 613.04, 919.22 and 202.07
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.