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Finding the Fourth Proportional to 527.62, 790.71 and 464.26

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Solution

The fourth proportional to 527.62, 790.71 and 464.26 is: 695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.62 : 790.71 = 464.26 : x
  2. Step 2: Convert to fraction form
    527.62/790.71 = 464.26/x
  3. Step 3: Cross multiply
    527.62x = 790.71 × 464.26
  4. Step 4: Simplify right side
    527.62x = 367,095.02
  5. Step 5: Solve for x
    x = 367,095.02/527.62
  6. Step 6: Final answer
    x = 695.76

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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.