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Finding the Fourth Proportional to 460.86, 691.32 and 364.74

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Solution

The fourth proportional to 460.86, 691.32 and 364.74 is: 547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.86 : 691.32 = 364.74 : x
  2. Step 2: Convert to fraction form
    460.86/691.32 = 364.74/x
  3. Step 3: Cross multiply
    460.86x = 691.32 × 364.74
  4. Step 4: Simplify right side
    460.86x = 252,152.06
  5. Step 5: Solve for x
    x = 252,152.06/460.86
  6. Step 6: Final answer
    x = 547.13

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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.