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Finding the Fourth Proportional to 614.02, 919.61 and 370.01

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Solution

The fourth proportional to 614.02, 919.61 and 370.01 is: 554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.02 : 919.61 = 370.01 : x
  2. Step 2: Convert to fraction form
    614.02/919.61 = 370.01/x
  3. Step 3: Cross multiply
    614.02x = 919.61 × 370.01
  4. Step 4: Simplify right side
    614.02x = 340,258.45
  5. Step 5: Solve for x
    x = 340,258.45/614.02
  6. Step 6: Final answer
    x = 554.15

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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.