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Finding the Fourth Proportional to 356.55, 532.28 and 301.86

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Solution

The fourth proportional to 356.55, 532.28 and 301.86 is: 450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.55 : 532.28 = 301.86 : x
  2. Step 2: Convert to fraction form
    356.55/532.28 = 301.86/x
  3. Step 3: Cross multiply
    356.55x = 532.28 × 301.86
  4. Step 4: Simplify right side
    356.55x = 160,674.04
  5. Step 5: Solve for x
    x = 160,674.04/356.55
  6. Step 6: Final answer
    x = 450.64

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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.