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Finding the Fourth Proportional to 527.07, 790.62 and 295.92

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Solution

The fourth proportional to 527.07, 790.62 and 295.92 is: 443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.07 : 790.62 = 295.92 : x
  2. Step 2: Convert to fraction form
    527.07/790.62 = 295.92/x
  3. Step 3: Cross multiply
    527.07x = 790.62 × 295.92
  4. Step 4: Simplify right side
    527.07x = 233,960.27
  5. Step 5: Solve for x
    x = 233,960.27/527.07
  6. Step 6: Final answer
    x = 443.89

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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.