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Finding the Fourth Proportional to 303.88, 453.52 and 274.72

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Solution

The fourth proportional to 303.88, 453.52 and 274.72 is: 410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.88 : 453.52 = 274.72 : x
  2. Step 2: Convert to fraction form
    303.88/453.52 = 274.72/x
  3. Step 3: Cross multiply
    303.88x = 453.52 × 274.72
  4. Step 4: Simplify right side
    303.88x = 124,587.37
  5. Step 5: Solve for x
    x = 124,587.37/303.88
  6. Step 6: Final answer
    x = 410.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.