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Finding the Fourth Proportional to 371.93, 556.81 and 302.67

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Solution

The fourth proportional to 371.93, 556.81 and 302.67 is: 453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.93 : 556.81 = 302.67 : x
  2. Step 2: Convert to fraction form
    371.93/556.81 = 302.67/x
  3. Step 3: Cross multiply
    371.93x = 556.81 × 302.67
  4. Step 4: Simplify right side
    371.93x = 168,528.93
  5. Step 5: Solve for x
    x = 168,528.93/371.93
  6. Step 6: Final answer
    x = 453.13

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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.