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Finding the Fourth Proportional to 526.83, 790.67 and 372.90

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Solution

The fourth proportional to 526.83, 790.67 and 372.90 is: 559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.83 : 790.67 = 372.90 : x
  2. Step 2: Convert to fraction form
    526.83/790.67 = 372.90/x
  3. Step 3: Cross multiply
    526.83x = 790.67 × 372.90
  4. Step 4: Simplify right side
    526.83x = 294,840.38
  5. Step 5: Solve for x
    x = 294,840.38/526.83
  6. Step 6: Final answer
    x = 559.65

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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.