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Finding the Fourth Proportional to 364.02, 545.46 and 235.50

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Solution

The fourth proportional to 364.02, 545.46 and 235.50 is: 352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.02 : 545.46 = 235.50 : x
  2. Step 2: Convert to fraction form
    364.02/545.46 = 235.50/x
  3. Step 3: Cross multiply
    364.02x = 545.46 × 235.50
  4. Step 4: Simplify right side
    364.02x = 128,455.83
  5. Step 5: Solve for x
    x = 128,455.83/364.02
  6. Step 6: Final answer
    x = 352.88

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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.