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Finding the Fourth Proportional to 366.89, 547.72 and 354.07

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Solution

The fourth proportional to 366.89, 547.72 and 354.07 is: 528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.89 : 547.72 = 354.07 : x
  2. Step 2: Convert to fraction form
    366.89/547.72 = 354.07/x
  3. Step 3: Cross multiply
    366.89x = 547.72 × 354.07
  4. Step 4: Simplify right side
    366.89x = 193,931.22
  5. Step 5: Solve for x
    x = 193,931.22/366.89
  6. Step 6: Final answer
    x = 528.58

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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.