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Finding the Fourth Proportional to 305.52, 457.37 and 264.52

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Solution

The fourth proportional to 305.52, 457.37 and 264.52 is: 395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.52 : 457.37 = 264.52 : x
  2. Step 2: Convert to fraction form
    305.52/457.37 = 264.52/x
  3. Step 3: Cross multiply
    305.52x = 457.37 × 264.52
  4. Step 4: Simplify right side
    305.52x = 120,981.92
  5. Step 5: Solve for x
    x = 120,981.92/305.52
  6. Step 6: Final answer
    x = 395.98

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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.