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Finding the Fourth Proportional to 526.62, 790.11 and 475.02

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Solution

The fourth proportional to 526.62, 790.11 and 475.02 is: 712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.62 : 790.11 = 475.02 : x
  2. Step 2: Convert to fraction form
    526.62/790.11 = 475.02/x
  3. Step 3: Cross multiply
    526.62x = 790.11 × 475.02
  4. Step 4: Simplify right side
    526.62x = 375,318.05
  5. Step 5: Solve for x
    x = 375,318.05/526.62
  6. Step 6: Final answer
    x = 712.69

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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.