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Finding the Fourth Proportional to 362.55, 540.85 and 352.63

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Solution

The fourth proportional to 362.55, 540.85 and 352.63 is: 526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.55 : 540.85 = 352.63 : x
  2. Step 2: Convert to fraction form
    362.55/540.85 = 352.63/x
  3. Step 3: Cross multiply
    362.55x = 540.85 × 352.63
  4. Step 4: Simplify right side
    362.55x = 190,719.94
  5. Step 5: Solve for x
    x = 190,719.94/362.55
  6. Step 6: Final answer
    x = 526.05

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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.