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Finding the Fourth Proportional to 370.11, 553.53 and 302.07

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Solution

The fourth proportional to 370.11, 553.53 and 302.07 is: 451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.11 : 553.53 = 302.07 : x
  2. Step 2: Convert to fraction form
    370.11/553.53 = 302.07/x
  3. Step 3: Cross multiply
    370.11x = 553.53 × 302.07
  4. Step 4: Simplify right side
    370.11x = 167,204.81
  5. Step 5: Solve for x
    x = 167,204.81/370.11
  6. Step 6: Final answer
    x = 451.77

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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.