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Finding the Fourth Proportional to 367.01, 506.43 and 307.77

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Solution

The fourth proportional to 367.01, 506.43 and 307.77 is: 424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.01 : 506.43 = 307.77 : x
  2. Step 2: Convert to fraction form
    367.01/506.43 = 307.77/x
  3. Step 3: Cross multiply
    367.01x = 506.43 × 307.77
  4. Step 4: Simplify right side
    367.01x = 155,865.47
  5. Step 5: Solve for x
    x = 155,865.47/367.01
  6. Step 6: Final answer
    x = 424.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.