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Finding the Fourth Proportional to 527.95, 728.63 and 362.04

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Solution

The fourth proportional to 527.95, 728.63 and 362.04 is: 499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.95 : 728.63 = 362.04 : x
  2. Step 2: Convert to fraction form
    527.95/728.63 = 362.04/x
  3. Step 3: Cross multiply
    527.95x = 728.63 × 362.04
  4. Step 4: Simplify right side
    527.95x = 263,793.21
  5. Step 5: Solve for x
    x = 263,793.21/527.95
  6. Step 6: Final answer
    x = 499.66

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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.