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Finding the Fourth Proportional to 382.64, 526.86 and 367.06

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Solution

The fourth proportional to 382.64, 526.86 and 367.06 is: 505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.64 : 526.86 = 367.06 : x
  2. Step 2: Convert to fraction form
    382.64/526.86 = 367.06/x
  3. Step 3: Cross multiply
    382.64x = 526.86 × 367.06
  4. Step 4: Simplify right side
    382.64x = 193,389.23
  5. Step 5: Solve for x
    x = 193,389.23/382.64
  6. Step 6: Final answer
    x = 505.41

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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.