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Finding the Fourth Proportional to 370.44, 555.05 and 302.00

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Solution

The fourth proportional to 370.44, 555.05 and 302.00 is: 452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.44 : 555.05 = 302.00 : x
  2. Step 2: Convert to fraction form
    370.44/555.05 = 302.00/x
  3. Step 3: Cross multiply
    370.44x = 555.05 × 302.00
  4. Step 4: Simplify right side
    370.44x = 167,620.81
  5. Step 5: Solve for x
    x = 167,620.81/370.44
  6. Step 6: Final answer
    x = 452.49

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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.