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Finding the Fourth Proportional to 612.02, 918.08 and 201.14

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Solution

The fourth proportional to 612.02, 918.08 and 201.14 is: 301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.02 : 918.08 = 201.14 : x
  2. Step 2: Convert to fraction form
    612.02/918.08 = 201.14/x
  3. Step 3: Cross multiply
    612.02x = 918.08 × 201.14
  4. Step 4: Simplify right side
    612.02x = 184,657.02
  5. Step 5: Solve for x
    x = 184,657.02/612.02
  6. Step 6: Final answer
    x = 301.72

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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.